80871560

素因数分解:

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

素因数の和:89

約数の個数: 192

約数和(自身を含む): 240330240

約数和(自身を除く): 159458680

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 31, 35, 40, 44, 49, 55, 56, 62, 70, 77, 88, 98, 110, 121, 124, 140, 154, 155, 196, 217, 220, 242, 245, 248, 280, 308, 310, 341, 385, 392, 434, 440, 484, 490, 539, 605, 616, 620, 682, 770, 847, 868, 968, 980, 1078, 1085, 1210, 1240, 1331, 1364, 1519, 1540, 1694, 1705, 1736, 1960, 2156, 2170, 2387, 2420, 2662, 2695, 2728, 3038, 3080, 3388, 3410, 3751, 4235, 4312, 4340, 4774, 4840, 5324, 5390, 5929, 6076, 6655, 6776, 6820, 7502, 7595, 8470, 8680, 9317, 9548, 10648, 10780, 11858, 11935, 12152, 13310, 13640, 15004, 15190, 16709, 16940, 18634, 18755, 19096, 21560, 23716, 23870, 26257, 26620, 29645, 30008, 30380, 33418, 33880, 37268, 37510, 41261, 46585, 47432, 47740, 52514, 53240, 59290, 60760, 65219, 66836, 74536, 75020, 82522, 83545, 93170, 95480, 105028, 118580, 130438, 131285, 133672, 150040, 165044, 167090, 183799, 186340, 206305, 210056, 237160, 260876, 262570, 288827, 326095, 330088, 334180, 367598, 372680, 412610, 521752, 525140, 577654, 652190, 668360, 735196, 825220, 918995, 1050280, 1155308, 1304380, 1444135, 1470392, 1650440, 1837990, 2021789, 2310616, 2608760, 2888270, 3675980, 4043578, 5776540, 7351960, 8087156, 10108945, 11553080, 16174312, 20217890, 40435780, 80871560]

約数ペア:

[(1, 80871560), (2, 40435780), (4, 20217890), (5, 16174312), (7, 11553080), (8, 10108945), (10, 8087156), (11, 7351960), (14, 5776540), (20, 4043578), (22, 3675980), (28, 2888270), (31, 2608760), (35, 2310616), (40, 2021789), (44, 1837990), (49, 1650440), (55, 1470392), (56, 1444135), (62, 1304380), (70, 1155308), (77, 1050280), (88, 918995), (98, 825220), (110, 735196), (121, 668360), (124, 652190), (140, 577654), (154, 525140), (155, 521752), (196, 412610), (217, 372680), (220, 367598), (242, 334180), (245, 330088), (248, 326095), (280, 288827), (308, 262570), (310, 260876), (341, 237160), (385, 210056), (392, 206305), (434, 186340), (440, 183799), (484, 167090), (490, 165044), (539, 150040), (605, 133672), (616, 131285), (620, 130438), (682, 118580), (770, 105028), (847, 95480), (868, 93170), (968, 83545), (980, 82522), (1078, 75020), (1085, 74536), (1210, 66836), (1240, 65219), (1331, 60760), (1364, 59290), (1519, 53240), (1540, 52514), (1694, 47740), (1705, 47432), (1736, 46585), (1960, 41261), (2156, 37510), (2170, 37268), (2387, 33880), (2420, 33418), (2662, 30380), (2695, 30008), (2728, 29645), (3038, 26620), (3080, 26257), (3388, 23870), (3410, 23716), (3751, 21560), (4235, 19096), (4312, 18755), (4340, 18634), (4774, 16940), (4840, 16709), (5324, 15190), (5390, 15004), (5929, 13640), (6076, 13310), (6655, 12152), (6776, 11935), (6820, 11858), (7502, 10780), (7595, 10648), (8470, 9548), (8680, 9317)]