145728420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{142871}}^1$

素因数の和:142900

約数の個数: 48

約数和(自身を含む): 432044928

約数和(自身を除く): 286316508

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 142871, 285742, 428613, 571484, 714355, 857226, 1428710, 1714452, 2143065, 2428807, 2857420, 4286130, 4857614, 7286421, 8572260, 9715228, 12144035, 14572842, 24288070, 29145684, 36432105, 48576140, 72864210, 145728420]

約数ペア:

[(1, 145728420), (2, 72864210), (3, 48576140), (4, 36432105), (5, 29145684), (6, 24288070), (10, 14572842), (12, 12144035), (15, 9715228), (17, 8572260), (20, 7286421), (30, 4857614), (34, 4286130), (51, 2857420), (60, 2428807), (68, 2143065), (85, 1714452), (102, 1428710), (170, 857226), (204, 714355), (255, 571484), (340, 428613), (510, 285742), (1020, 142871)]