639189720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2239}}^1$

素因数の和:2330

約数の個数: 192

約数和(自身を含む): 2274854400

約数和(自身を除く): 1635664680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 61, 65, 72, 78, 90, 104, 117, 120, 122, 130, 156, 180, 183, 195, 234, 244, 260, 305, 312, 360, 366, 390, 468, 488, 520, 549, 585, 610, 732, 780, 793, 915, 936, 1098, 1170, 1220, 1464, 1560, 1586, 1830, 2196, 2239, 2340, 2379, 2440, 2745, 3172, 3660, 3965, 4392, 4478, 4680, 4758, 5490, 6344, 6717, 7137, 7320, 7930, 8956, 9516, 10980, 11195, 11895, 13434, 14274, 15860, 17912, 19032, 20151, 21960, 22390, 23790, 26868, 28548, 29107, 31720, 33585, 35685, 40302, 44780, 47580, 53736, 57096, 58214, 67170, 71370, 80604, 87321, 89560, 95160, 100755, 116428, 134340, 136579, 142740, 145535, 161208, 174642, 201510, 232856, 261963, 268680, 273158, 285480, 291070, 349284, 403020, 409737, 436605, 523926, 546316, 582140, 682895, 698568, 806040, 819474, 873210, 1047852, 1092632, 1164280, 1229211, 1309815, 1365790, 1638948, 1746420, 1775527, 2048685, 2095704, 2458422, 2619630, 2731580, 3277896, 3492840, 3551054, 4097370, 4916844, 5239260, 5326581, 5463160, 6146055, 7102108, 8194740, 8877635, 9833688, 10478520, 10653162, 12292110, 14204216, 15979743, 16389480, 17755270, 21306324, 24584220, 26632905, 31959486, 35510540, 42612648, 49168440, 53265810, 63918972, 71021080, 79898715, 106531620, 127837944, 159797430, 213063240, 319594860, 639189720]

約数ペア:

[(1, 639189720), (2, 319594860), (3, 213063240), (4, 159797430), (5, 127837944), (6, 106531620), (8, 79898715), (9, 71021080), (10, 63918972), (12, 53265810), (13, 49168440), (15, 42612648), (18, 35510540), (20, 31959486), (24, 26632905), (26, 24584220), (30, 21306324), (36, 17755270), (39, 16389480), (40, 15979743), (45, 14204216), (52, 12292110), (60, 10653162), (61, 10478520), (65, 9833688), (72, 8877635), (78, 8194740), (90, 7102108), (104, 6146055), (117, 5463160), (120, 5326581), (122, 5239260), (130, 4916844), (156, 4097370), (180, 3551054), (183, 3492840), (195, 3277896), (234, 2731580), (244, 2619630), (260, 2458422), (305, 2095704), (312, 2048685), (360, 1775527), (366, 1746420), (390, 1638948), (468, 1365790), (488, 1309815), (520, 1229211), (549, 1164280), (585, 1092632), (610, 1047852), (732, 873210), (780, 819474), (793, 806040), (915, 698568), (936, 682895), (1098, 582140), (1170, 546316), (1220, 523926), (1464, 436605), (1560, 409737), (1586, 403020), (1830, 349284), (2196, 291070), (2239, 285480), (2340, 273158), (2379, 268680), (2440, 261963), (2745, 232856), (3172, 201510), (3660, 174642), (3965, 161208), (4392, 145535), (4478, 142740), (4680, 136579), (4758, 134340), (5490, 116428), (6344, 100755), (6717, 95160), (7137, 89560), (7320, 87321), (7930, 80604), (8956, 71370), (9516, 67170), (10980, 58214), (11195, 57096), (11895, 53736), (13434, 47580), (14274, 44780), (15860, 40302), (17912, 35685), (19032, 33585), (20151, 31720), (21960, 29107), (22390, 28548), (23790, 26868)]