64639960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{677}}^1$

素因数の和:737

約数の個数: 128

約数和(自身を含む): 187453440

約数和(自身を除く): 122813480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 31, 35, 40, 44, 55, 56, 62, 70, 77, 88, 110, 124, 140, 154, 155, 217, 220, 248, 280, 308, 310, 341, 385, 434, 440, 616, 620, 677, 682, 770, 868, 1085, 1240, 1354, 1364, 1540, 1705, 1736, 2170, 2387, 2708, 2728, 3080, 3385, 3410, 4340, 4739, 4774, 5416, 6770, 6820, 7447, 8680, 9478, 9548, 11935, 13540, 13640, 14894, 18956, 19096, 20987, 23695, 23870, 27080, 29788, 37235, 37912, 41974, 47390, 47740, 52129, 59576, 74470, 83948, 94780, 95480, 104258, 104935, 146909, 148940, 167896, 189560, 208516, 209870, 230857, 260645, 293818, 297880, 417032, 419740, 461714, 521290, 587636, 734545, 839480, 923428, 1042580, 1154285, 1175272, 1469090, 1615999, 1846856, 2085160, 2308570, 2938180, 3231998, 4617140, 5876360, 6463996, 8079995, 9234280, 12927992, 16159990, 32319980, 64639960]

約数ペア:

[(1, 64639960), (2, 32319980), (4, 16159990), (5, 12927992), (7, 9234280), (8, 8079995), (10, 6463996), (11, 5876360), (14, 4617140), (20, 3231998), (22, 2938180), (28, 2308570), (31, 2085160), (35, 1846856), (40, 1615999), (44, 1469090), (55, 1175272), (56, 1154285), (62, 1042580), (70, 923428), (77, 839480), (88, 734545), (110, 587636), (124, 521290), (140, 461714), (154, 419740), (155, 417032), (217, 297880), (220, 293818), (248, 260645), (280, 230857), (308, 209870), (310, 208516), (341, 189560), (385, 167896), (434, 148940), (440, 146909), (616, 104935), (620, 104258), (677, 95480), (682, 94780), (770, 83948), (868, 74470), (1085, 59576), (1240, 52129), (1354, 47740), (1364, 47390), (1540, 41974), (1705, 37912), (1736, 37235), (2170, 29788), (2387, 27080), (2708, 23870), (2728, 23695), (3080, 20987), (3385, 19096), (3410, 18956), (4340, 14894), (4739, 13640), (4774, 13540), (5416, 11935), (6770, 9548), (6820, 9478), (7447, 8680)]