90520740

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{787}}^1$

素因数の和:879

約数の個数: 120

約数和(自身を含む): 288332352

約数和(自身を除く): 197811612

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 71, 81, 90, 108, 135, 142, 162, 180, 213, 270, 284, 324, 355, 405, 426, 540, 639, 710, 787, 810, 852, 1065, 1278, 1420, 1574, 1620, 1917, 2130, 2361, 2556, 3148, 3195, 3834, 3935, 4260, 4722, 5751, 6390, 7083, 7668, 7870, 9444, 9585, 11502, 11805, 12780, 14166, 15740, 19170, 21249, 23004, 23610, 28332, 28755, 35415, 38340, 42498, 47220, 55877, 57510, 63747, 70830, 84996, 106245, 111754, 115020, 127494, 141660, 167631, 212490, 223508, 254988, 279385, 318735, 335262, 424980, 502893, 558770, 637470, 670524, 838155, 1005786, 1117540, 1274940, 1508679, 1676310, 2011572, 2514465, 3017358, 3352620, 4526037, 5028930, 6034716, 7543395, 9052074, 10057860, 15086790, 18104148, 22630185, 30173580, 45260370, 90520740]

約数ペア:

[(1, 90520740), (2, 45260370), (3, 30173580), (4, 22630185), (5, 18104148), (6, 15086790), (9, 10057860), (10, 9052074), (12, 7543395), (15, 6034716), (18, 5028930), (20, 4526037), (27, 3352620), (30, 3017358), (36, 2514465), (45, 2011572), (54, 1676310), (60, 1508679), (71, 1274940), (81, 1117540), (90, 1005786), (108, 838155), (135, 670524), (142, 637470), (162, 558770), (180, 502893), (213, 424980), (270, 335262), (284, 318735), (324, 279385), (355, 254988), (405, 223508), (426, 212490), (540, 167631), (639, 141660), (710, 127494), (787, 115020), (810, 111754), (852, 106245), (1065, 84996), (1278, 70830), (1420, 63747), (1574, 57510), (1620, 55877), (1917, 47220), (2130, 42498), (2361, 38340), (2556, 35415), (3148, 28755), (3195, 28332), (3834, 23610), (3935, 23004), (4260, 21249), (4722, 19170), (5751, 15740), (6390, 14166), (7083, 12780), (7668, 11805), (7870, 11502), (9444, 9585)]