215860480

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{15331}}^1$

素因数の和:15363

約数の個数: 72

約数和(自身を含む): 564094944

約数和(自身を除く): 348234464

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, 15331, 30662, 61324, 76655, 122648, 153310, 168641, 245296, 306620, 337282, 490592, 613240, 674564, 843205, 981184, 1226480, 1349128, 1686410, 1962368, 2452960, 2698256, 3372820, 3924736, 4905920, 5396512, 6745640, 9811840, 10793024, 13491280, 19623680, 21586048, 26982560, 43172096, 53965120, 107930240, 215860480]

約数ペア:

[(1, 215860480), (2, 107930240), (4, 53965120), (5, 43172096), (8, 26982560), (10, 21586048), (11, 19623680), (16, 13491280), (20, 10793024), (22, 9811840), (32, 6745640), (40, 5396512), (44, 4905920), (55, 3924736), (64, 3372820), (80, 2698256), (88, 2452960), (110, 1962368), (128, 1686410), (160, 1349128), (176, 1226480), (220, 981184), (256, 843205), (320, 674564), (352, 613240), (440, 490592), (640, 337282), (704, 306620), (880, 245296), (1280, 168641), (1408, 153310), (1760, 122648), (2816, 76655), (3520, 61324), (7040, 30662), (14080, 15331)]