31707171480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1\times {\mathrm{18701}}^1$

素因数の和:18985

約数の個数: 128

約数和(自身を含む): 96951168000

約数和(自身を除く): 65243996520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 199, 213, 284, 355, 398, 426, 568, 597, 710, 796, 852, 995, 1065, 1194, 1420, 1592, 1704, 1990, 2130, 2388, 2840, 2985, 3980, 4260, 4776, 5970, 7960, 8520, 11940, 14129, 18701, 23880, 28258, 37402, 42387, 56103, 56516, 70645, 74804, 84774, 93505, 112206, 113032, 141290, 149608, 169548, 187010, 211935, 224412, 280515, 282580, 339096, 374020, 423870, 448824, 561030, 565160, 748040, 847740, 1122060, 1327771, 1695480, 2244120, 2655542, 3721499, 3983313, 5311084, 6638855, 7442998, 7966626, 10622168, 11164497, 13277710, 14885996, 15933252, 18607495, 19916565, 22328994, 26555420, 29771992, 31866504, 37214990, 39833130, 44657988, 53110840, 55822485, 74429980, 79666260, 89315976, 111644970, 148859960, 159332520, 223289940, 264226429, 446579880, 528452858, 792679287, 1056905716, 1321132145, 1585358574, 2113811432, 2642264290, 3170717148, 3963396435, 5284528580, 6341434296, 7926792870, 10569057160, 15853585740, 31707171480]

約数ペア:

[(1, 31707171480), (2, 15853585740), (3, 10569057160), (4, 7926792870), (5, 6341434296), (6, 5284528580), (8, 3963396435), (10, 3170717148), (12, 2642264290), (15, 2113811432), (20, 1585358574), (24, 1321132145), (30, 1056905716), (40, 792679287), (60, 528452858), (71, 446579880), (120, 264226429), (142, 223289940), (199, 159332520), (213, 148859960), (284, 111644970), (355, 89315976), (398, 79666260), (426, 74429980), (568, 55822485), (597, 53110840), (710, 44657988), (796, 39833130), (852, 37214990), (995, 31866504), (1065, 29771992), (1194, 26555420), (1420, 22328994), (1592, 19916565), (1704, 18607495), (1990, 15933252), (2130, 14885996), (2388, 13277710), (2840, 11164497), (2985, 10622168), (3980, 7966626), (4260, 7442998), (4776, 6638855), (5970, 5311084), (7960, 3983313), (8520, 3721499), (11940, 2655542), (14129, 2244120), (18701, 1695480), (23880, 1327771), (28258, 1122060), (37402, 847740), (42387, 748040), (56103, 565160), (56516, 561030), (70645, 448824), (74804, 423870), (84774, 374020), (93505, 339096), (112206, 282580), (113032, 280515), (141290, 224412), (149608, 211935), (169548, 187010)]