72473660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{16699}}^1$

素因数の和:16746

約数の個数: 48

約数和(自身を含む): 179558400

約数和(自身を除く): 107084740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 16699, 33398, 66796, 83495, 116893, 166990, 233786, 333980, 467572, 517669, 584465, 1035338, 1168930, 2070676, 2337860, 2588345, 3623683, 5176690, 7247366, 10353380, 14494732, 18118415, 36236830, 72473660]

約数ペア:

[(1, 72473660), (2, 36236830), (4, 18118415), (5, 14494732), (7, 10353380), (10, 7247366), (14, 5176690), (20, 3623683), (28, 2588345), (31, 2337860), (35, 2070676), (62, 1168930), (70, 1035338), (124, 584465), (140, 517669), (155, 467572), (217, 333980), (310, 233786), (434, 166990), (620, 116893), (868, 83495), (1085, 66796), (2170, 33398), (4340, 16699)]