396321280

素因数分解:

$2^9\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:226

約数の個数: 160

約数和(自身を含む): 1018220544

約数和(自身を除く): 621899264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 53, 64, 80, 92, 106, 115, 127, 128, 160, 184, 212, 230, 254, 256, 265, 320, 368, 424, 460, 508, 512, 530, 635, 640, 736, 848, 920, 1016, 1060, 1219, 1270, 1280, 1472, 1696, 1840, 2032, 2120, 2438, 2540, 2560, 2921, 2944, 3392, 3680, 4064, 4240, 4876, 5080, 5842, 5888, 6095, 6731, 6784, 7360, 8128, 8480, 9752, 10160, 11684, 11776, 12190, 13462, 13568, 14605, 14720, 16256, 16960, 19504, 20320, 23368, 24380, 26924, 27136, 29210, 29440, 32512, 33655, 33920, 39008, 40640, 46736, 48760, 53848, 58420, 58880, 65024, 67310, 67840, 78016, 81280, 93472, 97520, 107696, 116840, 134620, 135680, 154813, 156032, 162560, 186944, 195040, 215392, 233680, 269240, 309626, 312064, 325120, 373888, 390080, 430784, 467360, 538480, 619252, 624128, 747776, 774065, 780160, 861568, 934720, 1076960, 1238504, 1495552, 1548130, 1560320, 1723136, 1869440, 2153920, 2477008, 3096260, 3120640, 3446272, 3738880, 4307840, 4954016, 6192520, 7477760, 8615680, 9908032, 12385040, 17231360, 19816064, 24770080, 39632128, 49540160, 79264256, 99080320, 198160640, 396321280]

約数ペア:

[(1, 396321280), (2, 198160640), (4, 99080320), (5, 79264256), (8, 49540160), (10, 39632128), (16, 24770080), (20, 19816064), (23, 17231360), (32, 12385040), (40, 9908032), (46, 8615680), (53, 7477760), (64, 6192520), (80, 4954016), (92, 4307840), (106, 3738880), (115, 3446272), (127, 3120640), (128, 3096260), (160, 2477008), (184, 2153920), (212, 1869440), (230, 1723136), (254, 1560320), (256, 1548130), (265, 1495552), (320, 1238504), (368, 1076960), (424, 934720), (460, 861568), (508, 780160), (512, 774065), (530, 747776), (635, 624128), (640, 619252), (736, 538480), (848, 467360), (920, 430784), (1016, 390080), (1060, 373888), (1219, 325120), (1270, 312064), (1280, 309626), (1472, 269240), (1696, 233680), (1840, 215392), (2032, 195040), (2120, 186944), (2438, 162560), (2540, 156032), (2560, 154813), (2921, 135680), (2944, 134620), (3392, 116840), (3680, 107696), (4064, 97520), (4240, 93472), (4876, 81280), (5080, 78016), (5842, 67840), (5888, 67310), (6095, 65024), (6731, 58880), (6784, 58420), (7360, 53848), (8128, 48760), (8480, 46736), (9752, 40640), (10160, 39008), (11684, 33920), (11776, 33655), (12190, 32512), (13462, 29440), (13568, 29210), (14605, 27136), (14720, 26924), (16256, 24380), (16960, 23368), (19504, 20320)]