81262470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{1481}}^1$

素因数の和:1581

約数の個数: 64

約数和(自身を含む): 204871680

約数和(自身を除く): 123609210

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 59, 62, 93, 118, 155, 177, 186, 295, 310, 354, 465, 590, 885, 930, 1481, 1770, 1829, 2962, 3658, 4443, 5487, 7405, 8886, 9145, 10974, 14810, 18290, 22215, 27435, 44430, 45911, 54870, 87379, 91822, 137733, 174758, 229555, 262137, 275466, 436895, 459110, 524274, 688665, 873790, 1310685, 1377330, 2621370, 2708749, 5417498, 8126247, 13543745, 16252494, 27087490, 40631235, 81262470]

約数ペア:

[(1, 81262470), (2, 40631235), (3, 27087490), (5, 16252494), (6, 13543745), (10, 8126247), (15, 5417498), (30, 2708749), (31, 2621370), (59, 1377330), (62, 1310685), (93, 873790), (118, 688665), (155, 524274), (177, 459110), (186, 436895), (295, 275466), (310, 262137), (354, 229555), (465, 174758), (590, 137733), (885, 91822), (930, 87379), (1481, 54870), (1770, 45911), (1829, 44430), (2962, 27435), (3658, 22215), (4443, 18290), (5487, 14810), (7405, 10974), (8886, 9145)]