215229440

素因数分解:

$2^{10}\times 5^1\times {\mathrm{127}}^1\times {\mathrm{331}}^1$

素因数の和:483

約数の個数: 88

約数和(自身を含む): 521935872

約数和(自身を除く): 306706432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 127, 128, 160, 254, 256, 320, 331, 508, 512, 635, 640, 662, 1016, 1024, 1270, 1280, 1324, 1655, 2032, 2540, 2560, 2648, 3310, 4064, 5080, 5120, 5296, 6620, 8128, 10160, 10592, 13240, 16256, 20320, 21184, 26480, 32512, 40640, 42037, 42368, 52960, 65024, 81280, 84074, 84736, 105920, 130048, 162560, 168148, 169472, 210185, 211840, 325120, 336296, 338944, 420370, 423680, 650240, 672592, 840740, 847360, 1345184, 1681480, 1694720, 2690368, 3362960, 5380736, 6725920, 10761472, 13451840, 21522944, 26903680, 43045888, 53807360, 107614720, 215229440]

約数ペア:

[(1, 215229440), (2, 107614720), (4, 53807360), (5, 43045888), (8, 26903680), (10, 21522944), (16, 13451840), (20, 10761472), (32, 6725920), (40, 5380736), (64, 3362960), (80, 2690368), (127, 1694720), (128, 1681480), (160, 1345184), (254, 847360), (256, 840740), (320, 672592), (331, 650240), (508, 423680), (512, 420370), (635, 338944), (640, 336296), (662, 325120), (1016, 211840), (1024, 210185), (1270, 169472), (1280, 168148), (1324, 162560), (1655, 130048), (2032, 105920), (2540, 84736), (2560, 84074), (2648, 81280), (3310, 65024), (4064, 52960), (5080, 42368), (5120, 42037), (5296, 40640), (6620, 32512), (8128, 26480), (10160, 21184), (10592, 20320), (13240, 16256)]