131582360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{977}}^1$

素因数の和:1045

約数の個数: 128

約数和(自身を含む): 374613120

約数和(自身を除く): 243030760

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 37, 40, 52, 56, 65, 70, 74, 91, 104, 130, 140, 148, 182, 185, 259, 260, 280, 296, 364, 370, 455, 481, 518, 520, 728, 740, 910, 962, 977, 1036, 1295, 1480, 1820, 1924, 1954, 2072, 2405, 2590, 3367, 3640, 3848, 3908, 4810, 4885, 5180, 6734, 6839, 7816, 9620, 9770, 10360, 12701, 13468, 13678, 16835, 19240, 19540, 25402, 26936, 27356, 33670, 34195, 36149, 39080, 50804, 54712, 63505, 67340, 68390, 72298, 88907, 101608, 127010, 134680, 136780, 144596, 177814, 180745, 253043, 254020, 273560, 289192, 355628, 361490, 444535, 469937, 506086, 508040, 711256, 722980, 889070, 939874, 1012172, 1265215, 1445960, 1778140, 1879748, 2024344, 2349685, 2530430, 3289559, 3556280, 3759496, 4699370, 5060860, 6579118, 9398740, 10121720, 13158236, 16447795, 18797480, 26316472, 32895590, 65791180, 131582360]

約数ペア:

[(1, 131582360), (2, 65791180), (4, 32895590), (5, 26316472), (7, 18797480), (8, 16447795), (10, 13158236), (13, 10121720), (14, 9398740), (20, 6579118), (26, 5060860), (28, 4699370), (35, 3759496), (37, 3556280), (40, 3289559), (52, 2530430), (56, 2349685), (65, 2024344), (70, 1879748), (74, 1778140), (91, 1445960), (104, 1265215), (130, 1012172), (140, 939874), (148, 889070), (182, 722980), (185, 711256), (259, 508040), (260, 506086), (280, 469937), (296, 444535), (364, 361490), (370, 355628), (455, 289192), (481, 273560), (518, 254020), (520, 253043), (728, 180745), (740, 177814), (910, 144596), (962, 136780), (977, 134680), (1036, 127010), (1295, 101608), (1480, 88907), (1820, 72298), (1924, 68390), (1954, 67340), (2072, 63505), (2405, 54712), (2590, 50804), (3367, 39080), (3640, 36149), (3848, 34195), (3908, 33670), (4810, 27356), (4885, 26936), (5180, 25402), (6734, 19540), (6839, 19240), (7816, 16835), (9620, 13678), (9770, 13468), (10360, 12701)]