1286067860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^2\times {\mathrm{79}}^1$

素因数の和:179

約数の個数: 216

約数和(自身を含む): 3550014720

約数和(自身を除く): 2263946860

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 31, 35, 44, 55, 62, 70, 77, 79, 110, 121, 124, 140, 154, 155, 158, 217, 220, 242, 308, 310, 316, 341, 385, 395, 434, 484, 553, 605, 620, 682, 770, 790, 847, 868, 869, 961, 1085, 1106, 1210, 1364, 1540, 1580, 1694, 1705, 1738, 1922, 2170, 2212, 2387, 2420, 2449, 2765, 3388, 3410, 3476, 3751, 3844, 4235, 4340, 4345, 4774, 4805, 4898, 5530, 6083, 6727, 6820, 7502, 8470, 8690, 9548, 9559, 9610, 9796, 10571, 11060, 11935, 12166, 12245, 13454, 15004, 16940, 17143, 17380, 18755, 19118, 19220, 21142, 23870, 24332, 24490, 26257, 26908, 26939, 30415, 33635, 34286, 37510, 38236, 42284, 47740, 47795, 48980, 52514, 52855, 53878, 60830, 66913, 67270, 68572, 73997, 75020, 75919, 85715, 95590, 105028, 105710, 107756, 116281, 121660, 131285, 133826, 134540, 134695, 147994, 151838, 171430, 188573, 191180, 211420, 232562, 262570, 267652, 269390, 295988, 296329, 303676, 334565, 342860, 369985, 377146, 379595, 465124, 525140, 531433, 538780, 581405, 592658, 669130, 739970, 754292, 759190, 813967, 835109, 942865, 1062866, 1162810, 1185316, 1338260, 1479940, 1481645, 1518380, 1627934, 1670218, 1885730, 2074303, 2125732, 2325620, 2657165, 2963290, 3255868, 3340436, 3771460, 4069835, 4148606, 4175545, 5314330, 5845763, 5926580, 8139670, 8297212, 8351090, 9186199, 10371515, 10628660, 11691526, 16279340, 16702180, 18372398, 20743030, 23383052, 29228815, 36744796, 41486060, 45930995, 58457630, 64303393, 91861990, 116915260, 128606786, 183723980, 257213572, 321516965, 643033930, 1286067860]

約数ペア:

[(1, 1286067860), (2, 643033930), (4, 321516965), (5, 257213572), (7, 183723980), (10, 128606786), (11, 116915260), (14, 91861990), (20, 64303393), (22, 58457630), (28, 45930995), (31, 41486060), (35, 36744796), (44, 29228815), (55, 23383052), (62, 20743030), (70, 18372398), (77, 16702180), (79, 16279340), (110, 11691526), (121, 10628660), (124, 10371515), (140, 9186199), (154, 8351090), (155, 8297212), (158, 8139670), (217, 5926580), (220, 5845763), (242, 5314330), (308, 4175545), (310, 4148606), (316, 4069835), (341, 3771460), (385, 3340436), (395, 3255868), (434, 2963290), (484, 2657165), (553, 2325620), (605, 2125732), (620, 2074303), (682, 1885730), (770, 1670218), (790, 1627934), (847, 1518380), (868, 1481645), (869, 1479940), (961, 1338260), (1085, 1185316), (1106, 1162810), (1210, 1062866), (1364, 942865), (1540, 835109), (1580, 813967), (1694, 759190), (1705, 754292), (1738, 739970), (1922, 669130), (2170, 592658), (2212, 581405), (2387, 538780), (2420, 531433), (2449, 525140), (2765, 465124), (3388, 379595), (3410, 377146), (3476, 369985), (3751, 342860), (3844, 334565), (4235, 303676), (4340, 296329), (4345, 295988), (4774, 269390), (4805, 267652), (4898, 262570), (5530, 232562), (6083, 211420), (6727, 191180), (6820, 188573), (7502, 171430), (8470, 151838), (8690, 147994), (9548, 134695), (9559, 134540), (9610, 133826), (9796, 131285), (10571, 121660), (11060, 116281), (11935, 107756), (12166, 105710), (12245, 105028), (13454, 95590), (15004, 85715), (16940, 75919), (17143, 75020), (17380, 73997), (18755, 68572), (19118, 67270), (19220, 66913), (21142, 60830), (23870, 53878), (24332, 52855), (24490, 52514), (26257, 48980), (26908, 47795), (26939, 47740), (30415, 42284), (33635, 38236), (34286, 37510)]