72535580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{1229}}^1$

素因数の和:1478

約数の個数: 48

約数和(自身を含む): 164898720

約数和(自身を除く): 92363140

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 227, 260, 454, 908, 1135, 1229, 2270, 2458, 2951, 4540, 4916, 5902, 6145, 11804, 12290, 14755, 15977, 24580, 29510, 31954, 59020, 63908, 79885, 159770, 278983, 319540, 557966, 1115932, 1394915, 2789830, 3626779, 5579660, 7253558, 14507116, 18133895, 36267790, 72535580]

約数ペア:

[(1, 72535580), (2, 36267790), (4, 18133895), (5, 14507116), (10, 7253558), (13, 5579660), (20, 3626779), (26, 2789830), (52, 1394915), (65, 1115932), (130, 557966), (227, 319540), (260, 278983), (454, 159770), (908, 79885), (1135, 63908), (1229, 59020), (2270, 31954), (2458, 29510), (2951, 24580), (4540, 15977), (4916, 14755), (5902, 12290), (6145, 11804)]