2007978480

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{349}}^1$

素因数の和:560

約数の個数: 240

約数和(自身を含む): 6926119200

約数和(自身を除く): 4918140720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 61, 72, 80, 90, 120, 122, 131, 144, 180, 183, 240, 244, 262, 305, 349, 360, 366, 393, 488, 524, 549, 610, 655, 698, 720, 732, 786, 915, 976, 1047, 1048, 1098, 1179, 1220, 1310, 1396, 1464, 1572, 1745, 1830, 1965, 2094, 2096, 2196, 2358, 2440, 2620, 2745, 2792, 2928, 3141, 3144, 3490, 3660, 3930, 4188, 4392, 4716, 4880, 5235, 5240, 5490, 5584, 5895, 6282, 6288, 6980, 7320, 7860, 7991, 8376, 8784, 9432, 10470, 10480, 10980, 11790, 12564, 13960, 14640, 15705, 15720, 15982, 16752, 18864, 20940, 21289, 21960, 23580, 23973, 25128, 27920, 31410, 31440, 31964, 39955, 41880, 42578, 43920, 45719, 47160, 47946, 50256, 62820, 63867, 63928, 71919, 79910, 83760, 85156, 91438, 94320, 95892, 106445, 119865, 125640, 127734, 127856, 137157, 143838, 159820, 170312, 182876, 191601, 191784, 212890, 228595, 239730, 251280, 255468, 274314, 287676, 319335, 319640, 340624, 359595, 365752, 383202, 383568, 411471, 425780, 457190, 479460, 510936, 548628, 575352, 638670, 639280, 685785, 719190, 731504, 766404, 822942, 851560, 914380, 958005, 958920, 1021872, 1097256, 1150704, 1277340, 1371570, 1438380, 1532808, 1645884, 1703120, 1828760, 1916010, 1917840, 2057355, 2194512, 2554680, 2743140, 2788859, 2876760, 3065616, 3291768, 3657520, 3832020, 4114710, 5109360, 5486280, 5577718, 5753520, 6583536, 7664040, 8229420, 8366577, 10972560, 11155436, 13944295, 15328080, 16458840, 16733154, 22310872, 25099731, 27888590, 32917680, 33466308, 41832885, 44621744, 50199462, 55777180, 66932616, 83665770, 100398924, 111554360, 125498655, 133865232, 167331540, 200797848, 223108720, 250997310, 334663080, 401595696, 501994620, 669326160, 1003989240, 2007978480]

約数ペア:

[(1, 2007978480), (2, 1003989240), (3, 669326160), (4, 501994620), (5, 401595696), (6, 334663080), (8, 250997310), (9, 223108720), (10, 200797848), (12, 167331540), (15, 133865232), (16, 125498655), (18, 111554360), (20, 100398924), (24, 83665770), (30, 66932616), (36, 55777180), (40, 50199462), (45, 44621744), (48, 41832885), (60, 33466308), (61, 32917680), (72, 27888590), (80, 25099731), (90, 22310872), (120, 16733154), (122, 16458840), (131, 15328080), (144, 13944295), (180, 11155436), (183, 10972560), (240, 8366577), (244, 8229420), (262, 7664040), (305, 6583536), (349, 5753520), (360, 5577718), (366, 5486280), (393, 5109360), (488, 4114710), (524, 3832020), (549, 3657520), (610, 3291768), (655, 3065616), (698, 2876760), (720, 2788859), (732, 2743140), (786, 2554680), (915, 2194512), (976, 2057355), (1047, 1917840), (1048, 1916010), (1098, 1828760), (1179, 1703120), (1220, 1645884), (1310, 1532808), (1396, 1438380), (1464, 1371570), (1572, 1277340), (1745, 1150704), (1830, 1097256), (1965, 1021872), (2094, 958920), (2096, 958005), (2196, 914380), (2358, 851560), (2440, 822942), (2620, 766404), (2745, 731504), (2792, 719190), (2928, 685785), (3141, 639280), (3144, 638670), (3490, 575352), (3660, 548628), (3930, 510936), (4188, 479460), (4392, 457190), (4716, 425780), (4880, 411471), (5235, 383568), (5240, 383202), (5490, 365752), (5584, 359595), (5895, 340624), (6282, 319640), (6288, 319335), (6980, 287676), (7320, 274314), (7860, 255468), (7991, 251280), (8376, 239730), (8784, 228595), (9432, 212890), (10470, 191784), (10480, 191601), (10980, 182876), (11790, 170312), (12564, 159820), (13960, 143838), (14640, 137157), (15705, 127856), (15720, 127734), (15982, 125640), (16752, 119865), (18864, 106445), (20940, 95892), (21289, 94320), (21960, 91438), (23580, 85156), (23973, 83760), (25128, 79910), (27920, 71919), (31410, 63928), (31440, 63867), (31964, 62820), (39955, 50256), (41880, 47946), (42578, 47160), (43920, 45719)]