15697891960

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{379}}^1\times {\mathrm{54499}}^1$

素因数の和:54908

約数の個数: 64

約数和(自身を含む): 37278000000

約数和(自身を除く): 21580108040

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 379, 380, 758, 760, 1516, 1895, 3032, 3790, 7201, 7580, 14402, 15160, 28804, 36005, 54499, 57608, 72010, 108998, 144020, 217996, 272495, 288040, 435992, 544990, 1035481, 1089980, 2070962, 2179960, 4141924, 5177405, 8283848, 10354810, 20655121, 20709620, 41310242, 41419240, 82620484, 103275605, 165240968, 206551210, 392447299, 413102420, 784894598, 826204840, 1569789196, 1962236495, 3139578392, 3924472990, 7848945980, 15697891960]

約数ペア:

[(1, 15697891960), (2, 7848945980), (4, 3924472990), (5, 3139578392), (8, 1962236495), (10, 1569789196), (19, 826204840), (20, 784894598), (38, 413102420), (40, 392447299), (76, 206551210), (95, 165240968), (152, 103275605), (190, 82620484), (379, 41419240), (380, 41310242), (758, 20709620), (760, 20655121), (1516, 10354810), (1895, 8283848), (3032, 5177405), (3790, 4141924), (7201, 2179960), (7580, 2070962), (14402, 1089980), (15160, 1035481), (28804, 544990), (36005, 435992), (54499, 288040), (57608, 272495), (72010, 217996), (108998, 144020)]