90409980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1117}}^1$

素因数の和:1219

約数の個数: 96

約数和(自身を含む): 270466560

約数和(自身を除く): 180056580

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 71, 76, 95, 114, 142, 190, 213, 228, 284, 285, 355, 380, 426, 570, 710, 852, 1065, 1117, 1140, 1349, 1420, 2130, 2234, 2698, 3351, 4047, 4260, 4468, 5396, 5585, 6702, 6745, 8094, 11170, 13404, 13490, 16188, 16755, 20235, 21223, 22340, 26980, 33510, 40470, 42446, 63669, 67020, 79307, 80940, 84892, 106115, 127338, 158614, 212230, 237921, 254676, 317228, 318345, 396535, 424460, 475842, 636690, 793070, 951684, 1189605, 1273380, 1506833, 1586140, 2379210, 3013666, 4520499, 4758420, 6027332, 7534165, 9040998, 15068330, 18081996, 22602495, 30136660, 45204990, 90409980]

約数ペア:

[(1, 90409980), (2, 45204990), (3, 30136660), (4, 22602495), (5, 18081996), (6, 15068330), (10, 9040998), (12, 7534165), (15, 6027332), (19, 4758420), (20, 4520499), (30, 3013666), (38, 2379210), (57, 1586140), (60, 1506833), (71, 1273380), (76, 1189605), (95, 951684), (114, 793070), (142, 636690), (190, 475842), (213, 424460), (228, 396535), (284, 318345), (285, 317228), (355, 254676), (380, 237921), (426, 212230), (570, 158614), (710, 127338), (852, 106115), (1065, 84892), (1117, 80940), (1140, 79307), (1349, 67020), (1420, 63669), (2130, 42446), (2234, 40470), (2698, 33510), (3351, 26980), (4047, 22340), (4260, 21223), (4468, 20235), (5396, 16755), (5585, 16188), (6702, 13490), (6745, 13404), (8094, 11170)]