30798560

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1$

素因数の和:125

約数の個数: 144

約数和(自身を含む): 84668976

約数和(自身を除く): 53870416

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 32, 34, 40, 52, 65, 67, 68, 80, 85, 104, 130, 134, 136, 160, 169, 170, 208, 221, 260, 268, 272, 335, 338, 340, 416, 442, 520, 536, 544, 670, 676, 680, 845, 871, 884, 1040, 1072, 1105, 1139, 1340, 1352, 1360, 1690, 1742, 1768, 2080, 2144, 2210, 2278, 2680, 2704, 2720, 2873, 3380, 3484, 3536, 4355, 4420, 4556, 5360, 5408, 5695, 5746, 6760, 6968, 7072, 8710, 8840, 9112, 10720, 11323, 11390, 11492, 13520, 13936, 14365, 14807, 17420, 17680, 18224, 22646, 22780, 22984, 27040, 27872, 28730, 29614, 34840, 35360, 36448, 45292, 45560, 45968, 56615, 57460, 59228, 69680, 74035, 90584, 91120, 91936, 113230, 114920, 118456, 139360, 148070, 181168, 182240, 192491, 226460, 229840, 236912, 296140, 362336, 384982, 452920, 459680, 473824, 592280, 769964, 905840, 962455, 1184560, 1539928, 1811680, 1924910, 2369120, 3079856, 3849820, 6159712, 7699640, 15399280, 30798560]

約数ペア:

[(1, 30798560), (2, 15399280), (4, 7699640), (5, 6159712), (8, 3849820), (10, 3079856), (13, 2369120), (16, 1924910), (17, 1811680), (20, 1539928), (26, 1184560), (32, 962455), (34, 905840), (40, 769964), (52, 592280), (65, 473824), (67, 459680), (68, 452920), (80, 384982), (85, 362336), (104, 296140), (130, 236912), (134, 229840), (136, 226460), (160, 192491), (169, 182240), (170, 181168), (208, 148070), (221, 139360), (260, 118456), (268, 114920), (272, 113230), (335, 91936), (338, 91120), (340, 90584), (416, 74035), (442, 69680), (520, 59228), (536, 57460), (544, 56615), (670, 45968), (676, 45560), (680, 45292), (845, 36448), (871, 35360), (884, 34840), (1040, 29614), (1072, 28730), (1105, 27872), (1139, 27040), (1340, 22984), (1352, 22780), (1360, 22646), (1690, 18224), (1742, 17680), (1768, 17420), (2080, 14807), (2144, 14365), (2210, 13936), (2278, 13520), (2680, 11492), (2704, 11390), (2720, 11323), (2873, 10720), (3380, 9112), (3484, 8840), (3536, 8710), (4355, 7072), (4420, 6968), (4556, 6760), (5360, 5746), (5408, 5695)]