81359520

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{811}}^1$

素因数の和:859

約数の個数: 192

約数和(自身を含む): 294658560

約数和(自身を除く): 213299040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 19, 20, 22, 24, 30, 32, 33, 38, 40, 44, 48, 55, 57, 60, 66, 76, 80, 88, 95, 96, 110, 114, 120, 132, 152, 160, 165, 176, 190, 209, 220, 228, 240, 264, 285, 304, 330, 352, 380, 418, 440, 456, 480, 528, 570, 608, 627, 660, 760, 811, 836, 880, 912, 1045, 1056, 1140, 1254, 1320, 1520, 1622, 1672, 1760, 1824, 2090, 2280, 2433, 2508, 2640, 3040, 3135, 3244, 3344, 4055, 4180, 4560, 4866, 5016, 5280, 6270, 6488, 6688, 8110, 8360, 8921, 9120, 9732, 10032, 12165, 12540, 12976, 15409, 16220, 16720, 17842, 19464, 20064, 24330, 25080, 25952, 26763, 30818, 32440, 33440, 35684, 38928, 44605, 46227, 48660, 50160, 53526, 61636, 64880, 71368, 77045, 77856, 89210, 92454, 97320, 100320, 107052, 123272, 129760, 133815, 142736, 154090, 169499, 178420, 184908, 194640, 214104, 231135, 246544, 267630, 285472, 308180, 338998, 356840, 369816, 389280, 428208, 462270, 493088, 508497, 535260, 616360, 677996, 713680, 739632, 847495, 856416, 924540, 1016994, 1070520, 1232720, 1355992, 1427360, 1479264, 1694990, 1849080, 2033988, 2141040, 2465440, 2542485, 2711984, 3389980, 3698160, 4067976, 4282080, 5084970, 5423968, 6779960, 7396320, 8135952, 10169940, 13559920, 16271904, 20339880, 27119840, 40679760, 81359520]

約数ペア:

[(1, 81359520), (2, 40679760), (3, 27119840), (4, 20339880), (5, 16271904), (6, 13559920), (8, 10169940), (10, 8135952), (11, 7396320), (12, 6779960), (15, 5423968), (16, 5084970), (19, 4282080), (20, 4067976), (22, 3698160), (24, 3389980), (30, 2711984), (32, 2542485), (33, 2465440), (38, 2141040), (40, 2033988), (44, 1849080), (48, 1694990), (55, 1479264), (57, 1427360), (60, 1355992), (66, 1232720), (76, 1070520), (80, 1016994), (88, 924540), (95, 856416), (96, 847495), (110, 739632), (114, 713680), (120, 677996), (132, 616360), (152, 535260), (160, 508497), (165, 493088), (176, 462270), (190, 428208), (209, 389280), (220, 369816), (228, 356840), (240, 338998), (264, 308180), (285, 285472), (304, 267630), (330, 246544), (352, 231135), (380, 214104), (418, 194640), (440, 184908), (456, 178420), (480, 169499), (528, 154090), (570, 142736), (608, 133815), (627, 129760), (660, 123272), (760, 107052), (811, 100320), (836, 97320), (880, 92454), (912, 89210), (1045, 77856), (1056, 77045), (1140, 71368), (1254, 64880), (1320, 61636), (1520, 53526), (1622, 50160), (1672, 48660), (1760, 46227), (1824, 44605), (2090, 38928), (2280, 35684), (2433, 33440), (2508, 32440), (2640, 30818), (3040, 26763), (3135, 25952), (3244, 25080), (3344, 24330), (4055, 20064), (4180, 19464), (4560, 17842), (4866, 16720), (5016, 16220), (5280, 15409), (6270, 12976), (6488, 12540), (6688, 12165), (8110, 10032), (8360, 9732), (8921, 9120)]