1901640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1$

素因数の和:103

約数の個数: 128

約数和(自身を含む): 6531840

約数和(自身を除く): 4630200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 23, 24, 26, 30, 39, 40, 46, 52, 53, 60, 65, 69, 78, 92, 104, 106, 115, 120, 130, 138, 156, 159, 184, 195, 212, 230, 260, 265, 276, 299, 312, 318, 345, 390, 424, 460, 520, 530, 552, 598, 636, 689, 690, 780, 795, 897, 920, 1060, 1196, 1219, 1272, 1378, 1380, 1495, 1560, 1590, 1794, 2067, 2120, 2392, 2438, 2756, 2760, 2990, 3180, 3445, 3588, 3657, 4134, 4485, 4876, 5512, 5980, 6095, 6360, 6890, 7176, 7314, 8268, 8970, 9752, 10335, 11960, 12190, 13780, 14628, 15847, 16536, 17940, 18285, 20670, 24380, 27560, 29256, 31694, 35880, 36570, 41340, 47541, 48760, 63388, 73140, 79235, 82680, 95082, 126776, 146280, 158470, 190164, 237705, 316940, 380328, 475410, 633880, 950820, 1901640]

約数ペア:

[(1, 1901640), (2, 950820), (3, 633880), (4, 475410), (5, 380328), (6, 316940), (8, 237705), (10, 190164), (12, 158470), (13, 146280), (15, 126776), (20, 95082), (23, 82680), (24, 79235), (26, 73140), (30, 63388), (39, 48760), (40, 47541), (46, 41340), (52, 36570), (53, 35880), (60, 31694), (65, 29256), (69, 27560), (78, 24380), (92, 20670), (104, 18285), (106, 17940), (115, 16536), (120, 15847), (130, 14628), (138, 13780), (156, 12190), (159, 11960), (184, 10335), (195, 9752), (212, 8970), (230, 8268), (260, 7314), (265, 7176), (276, 6890), (299, 6360), (312, 6095), (318, 5980), (345, 5512), (390, 4876), (424, 4485), (460, 4134), (520, 3657), (530, 3588), (552, 3445), (598, 3180), (636, 2990), (689, 2760), (690, 2756), (780, 2438), (795, 2392), (897, 2120), (920, 2067), (1060, 1794), (1196, 1590), (1219, 1560), (1272, 1495), (1378, 1380)]