648779904

素因数分解:

$2^7\times 3^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{491}}^1$

素因数の和:579

約数の個数: 192

約数和(自身を含む): 1983271680

約数和(自身を除く): 1334491776

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 37, 48, 62, 64, 72, 74, 93, 96, 111, 124, 128, 144, 148, 186, 192, 222, 248, 279, 288, 296, 333, 372, 384, 444, 491, 496, 558, 576, 592, 666, 744, 888, 982, 992, 1116, 1147, 1152, 1184, 1332, 1473, 1488, 1776, 1964, 1984, 2232, 2294, 2368, 2664, 2946, 2976, 3441, 3552, 3928, 3968, 4419, 4464, 4588, 4736, 5328, 5892, 5952, 6882, 7104, 7856, 8838, 8928, 9176, 10323, 10656, 11784, 11904, 13764, 14208, 15221, 15712, 17676, 17856, 18167, 18352, 20646, 21312, 23568, 27528, 30442, 31424, 35352, 35712, 36334, 36704, 41292, 42624, 45663, 47136, 54501, 55056, 60884, 62848, 70704, 72668, 73408, 82584, 91326, 94272, 109002, 110112, 121768, 136989, 141408, 145336, 146816, 163503, 165168, 182652, 188544, 218004, 220224, 243536, 273978, 282816, 290672, 327006, 330336, 365304, 436008, 440448, 487072, 547956, 563177, 565632, 581344, 654012, 660672, 730608, 872016, 974144, 1095912, 1126354, 1162688, 1308024, 1321344, 1461216, 1689531, 1744032, 1948288, 2191824, 2252708, 2325376, 2616048, 2922432, 3379062, 3488064, 4383648, 4505416, 5068593, 5232096, 5844864, 6758124, 6976128, 8767296, 9010832, 10137186, 10464192, 13516248, 17534592, 18021664, 20274372, 20928384, 27032496, 36043328, 40548744, 54064992, 72086656, 81097488, 108129984, 162194976, 216259968, 324389952, 648779904]

約数ペア:

[(1, 648779904), (2, 324389952), (3, 216259968), (4, 162194976), (6, 108129984), (8, 81097488), (9, 72086656), (12, 54064992), (16, 40548744), (18, 36043328), (24, 27032496), (31, 20928384), (32, 20274372), (36, 18021664), (37, 17534592), (48, 13516248), (62, 10464192), (64, 10137186), (72, 9010832), (74, 8767296), (93, 6976128), (96, 6758124), (111, 5844864), (124, 5232096), (128, 5068593), (144, 4505416), (148, 4383648), (186, 3488064), (192, 3379062), (222, 2922432), (248, 2616048), (279, 2325376), (288, 2252708), (296, 2191824), (333, 1948288), (372, 1744032), (384, 1689531), (444, 1461216), (491, 1321344), (496, 1308024), (558, 1162688), (576, 1126354), (592, 1095912), (666, 974144), (744, 872016), (888, 730608), (982, 660672), (992, 654012), (1116, 581344), (1147, 565632), (1152, 563177), (1184, 547956), (1332, 487072), (1473, 440448), (1488, 436008), (1776, 365304), (1964, 330336), (1984, 327006), (2232, 290672), (2294, 282816), (2368, 273978), (2664, 243536), (2946, 220224), (2976, 218004), (3441, 188544), (3552, 182652), (3928, 165168), (3968, 163503), (4419, 146816), (4464, 145336), (4588, 141408), (4736, 136989), (5328, 121768), (5892, 110112), (5952, 109002), (6882, 94272), (7104, 91326), (7856, 82584), (8838, 73408), (8928, 72668), (9176, 70704), (10323, 62848), (10656, 60884), (11784, 55056), (11904, 54501), (13764, 47136), (14208, 45663), (15221, 42624), (15712, 41292), (17676, 36704), (17856, 36334), (18167, 35712), (18352, 35352), (20646, 31424), (21312, 30442), (23568, 27528)]