72403020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{402239}}^1$

素因数の和:402254

約数の個数: 36

約数和(自身を含む): 219623040

約数和(自身を除く): 147220020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 402239, 804478, 1206717, 1608956, 2011195, 2413434, 3620151, 4022390, 4826868, 6033585, 7240302, 8044780, 12067170, 14480604, 18100755, 24134340, 36201510, 72403020]

約数ペア:

[(1, 72403020), (2, 36201510), (3, 24134340), (4, 18100755), (5, 14480604), (6, 12067170), (9, 8044780), (10, 7240302), (12, 6033585), (15, 4826868), (18, 4022390), (20, 3620151), (30, 2413434), (36, 2011195), (45, 1608956), (60, 1206717), (90, 804478), (180, 402239)]