1631576320

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{115879}}^1$

素因数の和:115911

約数の個数: 72

約数和(自身を含む): 4263456960

約数和(自身を除く): 2631880640

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 640, 704, 880, 1280, 1408, 1760, 2816, 3520, 7040, 14080, 115879, 231758, 463516, 579395, 927032, 1158790, 1274669, 1854064, 2317580, 2549338, 3708128, 4635160, 5098676, 6373345, 7416256, 9270320, 10197352, 12746690, 14832512, 18540640, 20394704, 25493380, 29665024, 37081280, 40789408, 50986760, 74162560, 81578816, 101973520, 148325120, 163157632, 203947040, 326315264, 407894080, 815788160, 1631576320]

約数ペア:

[(1, 1631576320), (2, 815788160), (4, 407894080), (5, 326315264), (8, 203947040), (10, 163157632), (11, 148325120), (16, 101973520), (20, 81578816), (22, 74162560), (32, 50986760), (40, 40789408), (44, 37081280), (55, 29665024), (64, 25493380), (80, 20394704), (88, 18540640), (110, 14832512), (128, 12746690), (160, 10197352), (176, 9270320), (220, 7416256), (256, 6373345), (320, 5098676), (352, 4635160), (440, 3708128), (640, 2549338), (704, 2317580), (880, 1854064), (1280, 1274669), (1408, 1158790), (1760, 927032), (2816, 579395), (3520, 463516), (7040, 231758), (14080, 115879)]