159384320

素因数分解:

$2^8\times 5^1\times {\mathrm{239}}^1\times {\mathrm{521}}^1$

素因数の和:781

約数の個数: 72

約数和(自身を含む): 384108480

約数和(自身を除く): 224724160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 239, 256, 320, 478, 521, 640, 956, 1042, 1195, 1280, 1912, 2084, 2390, 2605, 3824, 4168, 4780, 5210, 7648, 8336, 9560, 10420, 15296, 16672, 19120, 20840, 30592, 33344, 38240, 41680, 61184, 66688, 76480, 83360, 124519, 133376, 152960, 166720, 249038, 305920, 333440, 498076, 622595, 666880, 996152, 1245190, 1992304, 2490380, 3984608, 4980760, 7969216, 9961520, 15938432, 19923040, 31876864, 39846080, 79692160, 159384320]

約数ペア:

[(1, 159384320), (2, 79692160), (4, 39846080), (5, 31876864), (8, 19923040), (10, 15938432), (16, 9961520), (20, 7969216), (32, 4980760), (40, 3984608), (64, 2490380), (80, 1992304), (128, 1245190), (160, 996152), (239, 666880), (256, 622595), (320, 498076), (478, 333440), (521, 305920), (640, 249038), (956, 166720), (1042, 152960), (1195, 133376), (1280, 124519), (1912, 83360), (2084, 76480), (2390, 66688), (2605, 61184), (3824, 41680), (4168, 38240), (4780, 33344), (5210, 30592), (7648, 20840), (8336, 19120), (9560, 16672), (10420, 15296)]