268902390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{1291}}^1$

素因数の和:1485

約数の個数: 64

約数和(自身を含む): 663075072

約数和(自身を除く): 394172682

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 53, 106, 131, 159, 262, 265, 318, 393, 530, 655, 786, 795, 1291, 1310, 1590, 1965, 2582, 3873, 3930, 6455, 6943, 7746, 12910, 13886, 19365, 20829, 34715, 38730, 41658, 68423, 69430, 104145, 136846, 169121, 205269, 208290, 338242, 342115, 410538, 507363, 684230, 845605, 1014726, 1026345, 1691210, 2052690, 2536815, 5073630, 8963413, 17926826, 26890239, 44817065, 53780478, 89634130, 134451195, 268902390]

約数ペア:

[(1, 268902390), (2, 134451195), (3, 89634130), (5, 53780478), (6, 44817065), (10, 26890239), (15, 17926826), (30, 8963413), (53, 5073630), (106, 2536815), (131, 2052690), (159, 1691210), (262, 1026345), (265, 1014726), (318, 845605), (393, 684230), (530, 507363), (655, 410538), (786, 342115), (795, 338242), (1291, 208290), (1310, 205269), (1590, 169121), (1965, 136846), (2582, 104145), (3873, 69430), (3930, 68423), (6455, 41658), (6943, 38730), (7746, 34715), (12910, 20829), (13886, 19365)]