90910890

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{467}}^1$

素因数の和:593

約数の個数: 128

約数和(自身を含む): 280350720

約数和(自身を除く): 189439830

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 103, 105, 126, 135, 189, 206, 210, 270, 309, 315, 378, 467, 515, 618, 630, 721, 927, 934, 945, 1030, 1401, 1442, 1545, 1854, 1890, 2163, 2335, 2781, 2802, 3090, 3269, 3605, 4203, 4326, 4635, 4670, 5562, 6489, 6538, 7005, 7210, 8406, 9270, 9807, 10815, 12609, 12978, 13905, 14010, 16345, 19467, 19614, 21015, 21630, 25218, 27810, 29421, 32445, 32690, 38934, 42030, 48101, 49035, 58842, 63045, 64890, 88263, 96202, 97335, 98070, 126090, 144303, 147105, 176526, 194670, 240505, 288606, 294210, 336707, 432909, 441315, 481010, 673414, 721515, 865818, 882630, 1010121, 1298727, 1443030, 1683535, 2020242, 2164545, 2597454, 3030363, 3367070, 4329090, 5050605, 6060726, 6493635, 9091089, 10101210, 12987270, 15151815, 18182178, 30303630, 45455445, 90910890]

約数ペア:

[(1, 90910890), (2, 45455445), (3, 30303630), (5, 18182178), (6, 15151815), (7, 12987270), (9, 10101210), (10, 9091089), (14, 6493635), (15, 6060726), (18, 5050605), (21, 4329090), (27, 3367070), (30, 3030363), (35, 2597454), (42, 2164545), (45, 2020242), (54, 1683535), (63, 1443030), (70, 1298727), (90, 1010121), (103, 882630), (105, 865818), (126, 721515), (135, 673414), (189, 481010), (206, 441315), (210, 432909), (270, 336707), (309, 294210), (315, 288606), (378, 240505), (467, 194670), (515, 176526), (618, 147105), (630, 144303), (721, 126090), (927, 98070), (934, 97335), (945, 96202), (1030, 88263), (1401, 64890), (1442, 63045), (1545, 58842), (1854, 49035), (1890, 48101), (2163, 42030), (2335, 38934), (2781, 32690), (2802, 32445), (3090, 29421), (3269, 27810), (3605, 25218), (4203, 21630), (4326, 21015), (4635, 19614), (4670, 19467), (5562, 16345), (6489, 14010), (6538, 13905), (7005, 12978), (7210, 12609), (8406, 10815), (9270, 9807)]