156603280

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{349}}^1$

素因数の和:512

約数の個数: 80

約数和(自身を含む): 374976000

約数和(自身を除く): 218372720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 79, 80, 142, 158, 284, 316, 349, 355, 395, 568, 632, 698, 710, 790, 1136, 1264, 1396, 1420, 1580, 1745, 2792, 2840, 3160, 3490, 5584, 5609, 5680, 6320, 6980, 11218, 13960, 22436, 24779, 27571, 27920, 28045, 44872, 49558, 55142, 56090, 89744, 99116, 110284, 112180, 123895, 137855, 198232, 220568, 224360, 247790, 275710, 396464, 441136, 448720, 495580, 551420, 991160, 1102840, 1957541, 1982320, 2205680, 3915082, 7830164, 9787705, 15660328, 19575410, 31320656, 39150820, 78301640, 156603280]

約数ペア:

[(1, 156603280), (2, 78301640), (4, 39150820), (5, 31320656), (8, 19575410), (10, 15660328), (16, 9787705), (20, 7830164), (40, 3915082), (71, 2205680), (79, 1982320), (80, 1957541), (142, 1102840), (158, 991160), (284, 551420), (316, 495580), (349, 448720), (355, 441136), (395, 396464), (568, 275710), (632, 247790), (698, 224360), (710, 220568), (790, 198232), (1136, 137855), (1264, 123895), (1396, 112180), (1420, 110284), (1580, 99116), (1745, 89744), (2792, 56090), (2840, 55142), (3160, 49558), (3490, 44872), (5584, 28045), (5609, 27920), (5680, 27571), (6320, 24779), (6980, 22436), (11218, 13960)]