1556221680

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{353}}^1$

素因数の和:545

約数の個数: 320

約数和(自身を含む): 5825877120

約数和(自身を除く): 4269655440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 90, 104, 108, 117, 120, 130, 135, 144, 156, 157, 180, 195, 208, 216, 234, 240, 260, 270, 312, 314, 351, 353, 360, 390, 432, 468, 471, 520, 540, 585, 624, 628, 702, 706, 720, 780, 785, 936, 942, 1040, 1059, 1080, 1170, 1256, 1404, 1412, 1413, 1560, 1570, 1755, 1765, 1872, 1884, 2041, 2118, 2160, 2340, 2355, 2512, 2808, 2824, 2826, 3120, 3140, 3177, 3510, 3530, 3768, 4082, 4236, 4239, 4589, 4680, 4710, 5295, 5616, 5648, 5652, 6123, 6280, 6354, 7020, 7060, 7065, 7536, 8164, 8472, 8478, 9178, 9360, 9420, 9531, 10205, 10590, 11304, 12246, 12560, 12708, 13767, 14040, 14120, 14130, 15885, 16328, 16944, 16956, 18356, 18369, 18840, 19062, 20410, 21180, 21195, 22608, 22945, 24492, 25416, 27534, 28080, 28240, 28260, 30615, 31770, 32656, 33912, 36712, 36738, 37680, 38124, 40820, 41301, 42360, 42390, 45890, 47655, 48984, 50832, 55068, 55107, 55421, 56520, 61230, 63540, 67824, 68835, 73424, 73476, 76248, 81640, 82602, 84720, 84780, 91780, 91845, 95310, 97968, 110136, 110214, 110842, 113040, 122460, 123903, 127080, 137670, 146952, 152496, 163280, 165204, 166263, 169560, 183560, 183690, 190620, 206505, 220272, 220428, 221684, 244920, 247806, 254160, 275340, 275535, 277105, 293904, 330408, 332526, 339120, 367120, 367380, 381240, 413010, 440856, 443368, 489840, 495612, 498789, 550680, 551070, 554210, 619515, 660816, 665052, 720473, 734760, 762480, 826020, 831315, 881712, 886736, 991224, 997578, 1101360, 1102140, 1108420, 1239030, 1330104, 1440946, 1469520, 1496367, 1652040, 1662630, 1982448, 1995156, 2161419, 2204280, 2216840, 2478060, 2493945, 2660208, 2881892, 2992734, 3304080, 3325260, 3602365, 3990312, 4322838, 4408560, 4433680, 4956120, 4987890, 5763784, 5985468, 6484257, 6650520, 7204730, 7481835, 7980624, 8645676, 9912240, 9975780, 10807095, 11527568, 11970936, 12968514, 13301040, 14409460, 14963670, 17291352, 19452771, 19951560, 21614190, 23941872, 25937028, 28818920, 29927340, 32421285, 34582704, 38905542, 39903120, 43228380, 51874056, 57637840, 59854680, 64842570, 77811084, 86456760, 97263855, 103748112, 119709360, 129685140, 155622168, 172913520, 194527710, 259370280, 311244336, 389055420, 518740560, 778110840, 1556221680]

約数ペア:

[(1, 1556221680), (2, 778110840), (3, 518740560), (4, 389055420), (5, 311244336), (6, 259370280), (8, 194527710), (9, 172913520), (10, 155622168), (12, 129685140), (13, 119709360), (15, 103748112), (16, 97263855), (18, 86456760), (20, 77811084), (24, 64842570), (26, 59854680), (27, 57637840), (30, 51874056), (36, 43228380), (39, 39903120), (40, 38905542), (45, 34582704), (48, 32421285), (52, 29927340), (54, 28818920), (60, 25937028), (65, 23941872), (72, 21614190), (78, 19951560), (80, 19452771), (90, 17291352), (104, 14963670), (108, 14409460), (117, 13301040), (120, 12968514), (130, 11970936), (135, 11527568), (144, 10807095), (156, 9975780), (157, 9912240), (180, 8645676), (195, 7980624), (208, 7481835), (216, 7204730), (234, 6650520), (240, 6484257), (260, 5985468), (270, 5763784), (312, 4987890), (314, 4956120), (351, 4433680), (353, 4408560), (360, 4322838), (390, 3990312), (432, 3602365), (468, 3325260), (471, 3304080), (520, 2992734), (540, 2881892), (585, 2660208), (624, 2493945), (628, 2478060), (702, 2216840), (706, 2204280), (720, 2161419), (780, 1995156), (785, 1982448), (936, 1662630), (942, 1652040), (1040, 1496367), (1059, 1469520), (1080, 1440946), (1170, 1330104), (1256, 1239030), (1404, 1108420), (1412, 1102140), (1413, 1101360), (1560, 997578), (1570, 991224), (1755, 886736), (1765, 881712), (1872, 831315), (1884, 826020), (2041, 762480), (2118, 734760), (2160, 720473), (2340, 665052), (2355, 660816), (2512, 619515), (2808, 554210), (2824, 551070), (2826, 550680), (3120, 498789), (3140, 495612), (3177, 489840), (3510, 443368), (3530, 440856), (3768, 413010), (4082, 381240), (4236, 367380), (4239, 367120), (4589, 339120), (4680, 332526), (4710, 330408), (5295, 293904), (5616, 277105), (5648, 275535), (5652, 275340), (6123, 254160), (6280, 247806), (6354, 244920), (7020, 221684), (7060, 220428), (7065, 220272), (7536, 206505), (8164, 190620), (8472, 183690), (8478, 183560), (9178, 169560), (9360, 166263), (9420, 165204), (9531, 163280), (10205, 152496), (10590, 146952), (11304, 137670), (12246, 127080), (12560, 123903), (12708, 122460), (13767, 113040), (14040, 110842), (14120, 110214), (14130, 110136), (15885, 97968), (16328, 95310), (16944, 91845), (16956, 91780), (18356, 84780), (18369, 84720), (18840, 82602), (19062, 81640), (20410, 76248), (21180, 73476), (21195, 73424), (22608, 68835), (22945, 67824), (24492, 63540), (25416, 61230), (27534, 56520), (28080, 55421), (28240, 55107), (28260, 55068), (30615, 50832), (31770, 48984), (32656, 47655), (33912, 45890), (36712, 42390), (36738, 42360), (37680, 41301), (38124, 40820)]