15691890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{359}}^1$

素因数の和:447

約数の個数: 64

約数和(自身を含む): 39813120

約数和(自身を除く): 24121230

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 47, 62, 93, 94, 141, 155, 186, 235, 282, 310, 359, 465, 470, 705, 718, 930, 1077, 1410, 1457, 1795, 2154, 2914, 3590, 4371, 5385, 7285, 8742, 10770, 11129, 14570, 16873, 21855, 22258, 33387, 33746, 43710, 50619, 55645, 66774, 84365, 101238, 111290, 166935, 168730, 253095, 333870, 506190, 523063, 1046126, 1569189, 2615315, 3138378, 5230630, 7845945, 15691890]

約数ペア:

[(1, 15691890), (2, 7845945), (3, 5230630), (5, 3138378), (6, 2615315), (10, 1569189), (15, 1046126), (30, 523063), (31, 506190), (47, 333870), (62, 253095), (93, 168730), (94, 166935), (141, 111290), (155, 101238), (186, 84365), (235, 66774), (282, 55645), (310, 50619), (359, 43710), (465, 33746), (470, 33387), (705, 22258), (718, 21855), (930, 16873), (1077, 14570), (1410, 11129), (1457, 10770), (1795, 8742), (2154, 7285), (2914, 5385), (3590, 4371)]