389745120

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{821}}^1$

素因数の和:905

約数の個数: 192

約数和(自身を含む): 1312464384

約数和(自身を除く): 922719264

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 43, 46, 48, 60, 69, 80, 86, 92, 96, 115, 120, 129, 138, 160, 172, 184, 215, 230, 240, 258, 276, 344, 345, 368, 430, 460, 480, 516, 552, 645, 688, 690, 736, 821, 860, 920, 989, 1032, 1104, 1290, 1376, 1380, 1642, 1720, 1840, 1978, 2064, 2208, 2463, 2580, 2760, 2967, 3284, 3440, 3680, 3956, 4105, 4128, 4926, 4945, 5160, 5520, 5934, 6568, 6880, 7912, 8210, 9852, 9890, 10320, 11040, 11868, 12315, 13136, 14835, 15824, 16420, 18883, 19704, 19780, 20640, 23736, 24630, 26272, 29670, 31648, 32840, 35303, 37766, 39408, 39560, 47472, 49260, 56649, 59340, 65680, 70606, 75532, 78816, 79120, 94415, 94944, 98520, 105909, 113298, 118680, 131360, 141212, 151064, 158240, 176515, 188830, 197040, 211818, 226596, 237360, 282424, 283245, 302128, 353030, 377660, 394080, 423636, 453192, 474720, 529545, 564848, 566490, 604256, 706060, 755320, 811969, 847272, 906384, 1059090, 1129696, 1132980, 1412120, 1510640, 1623938, 1694544, 1812768, 2118180, 2265960, 2435907, 2824240, 3021280, 3247876, 3389088, 4059845, 4236360, 4531920, 4871814, 5648480, 6495752, 8119690, 8472720, 9063840, 9743628, 12179535, 12991504, 16239380, 16945440, 19487256, 24359070, 25983008, 32478760, 38974512, 48718140, 64957520, 77949024, 97436280, 129915040, 194872560, 389745120]

約数ペア:

[(1, 389745120), (2, 194872560), (3, 129915040), (4, 97436280), (5, 77949024), (6, 64957520), (8, 48718140), (10, 38974512), (12, 32478760), (15, 25983008), (16, 24359070), (20, 19487256), (23, 16945440), (24, 16239380), (30, 12991504), (32, 12179535), (40, 9743628), (43, 9063840), (46, 8472720), (48, 8119690), (60, 6495752), (69, 5648480), (80, 4871814), (86, 4531920), (92, 4236360), (96, 4059845), (115, 3389088), (120, 3247876), (129, 3021280), (138, 2824240), (160, 2435907), (172, 2265960), (184, 2118180), (215, 1812768), (230, 1694544), (240, 1623938), (258, 1510640), (276, 1412120), (344, 1132980), (345, 1129696), (368, 1059090), (430, 906384), (460, 847272), (480, 811969), (516, 755320), (552, 706060), (645, 604256), (688, 566490), (690, 564848), (736, 529545), (821, 474720), (860, 453192), (920, 423636), (989, 394080), (1032, 377660), (1104, 353030), (1290, 302128), (1376, 283245), (1380, 282424), (1642, 237360), (1720, 226596), (1840, 211818), (1978, 197040), (2064, 188830), (2208, 176515), (2463, 158240), (2580, 151064), (2760, 141212), (2967, 131360), (3284, 118680), (3440, 113298), (3680, 105909), (3956, 98520), (4105, 94944), (4128, 94415), (4926, 79120), (4945, 78816), (5160, 75532), (5520, 70606), (5934, 65680), (6568, 59340), (6880, 56649), (7912, 49260), (8210, 47472), (9852, 39560), (9890, 39408), (10320, 37766), (11040, 35303), (11868, 32840), (12315, 31648), (13136, 29670), (14835, 26272), (15824, 24630), (16420, 23736), (18883, 20640), (19704, 19780)]