72508720

素因数分解:

$2^4\times 5^1\times {\mathrm{523}}^1\times {\mathrm{1733}}^1$

素因数の和:2269

約数の個数: 40

約数和(自身を含む): 169002576

約数和(自身を除く): 96493856

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 523, 1046, 1733, 2092, 2615, 3466, 4184, 5230, 6932, 8368, 8665, 10460, 13864, 17330, 20920, 27728, 34660, 41840, 69320, 138640, 906359, 1812718, 3625436, 4531795, 7250872, 9063590, 14501744, 18127180, 36254360, 72508720]

約数ペア:

[(1, 72508720), (2, 36254360), (4, 18127180), (5, 14501744), (8, 9063590), (10, 7250872), (16, 4531795), (20, 3625436), (40, 1812718), (80, 906359), (523, 138640), (1046, 69320), (1733, 41840), (2092, 34660), (2615, 27728), (3466, 20920), (4184, 17330), (5230, 13864), (6932, 10460), (8368, 8665)]