2188680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:111

約数の個数: 128

約数和(自身を含む): 7499520

約数和(自身を除く): 5310840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 23, 24, 26, 30, 39, 40, 46, 52, 60, 61, 65, 69, 78, 92, 104, 115, 120, 122, 130, 138, 156, 183, 184, 195, 230, 244, 260, 276, 299, 305, 312, 345, 366, 390, 460, 488, 520, 552, 598, 610, 690, 732, 780, 793, 897, 915, 920, 1196, 1220, 1380, 1403, 1464, 1495, 1560, 1586, 1794, 1830, 2379, 2392, 2440, 2760, 2806, 2990, 3172, 3588, 3660, 3965, 4209, 4485, 4758, 5612, 5980, 6344, 7015, 7176, 7320, 7930, 8418, 8970, 9516, 11224, 11895, 11960, 14030, 15860, 16836, 17940, 18239, 19032, 21045, 23790, 28060, 31720, 33672, 35880, 36478, 42090, 47580, 54717, 56120, 72956, 84180, 91195, 95160, 109434, 145912, 168360, 182390, 218868, 273585, 364780, 437736, 547170, 729560, 1094340, 2188680]

約数ペア:

[(1, 2188680), (2, 1094340), (3, 729560), (4, 547170), (5, 437736), (6, 364780), (8, 273585), (10, 218868), (12, 182390), (13, 168360), (15, 145912), (20, 109434), (23, 95160), (24, 91195), (26, 84180), (30, 72956), (39, 56120), (40, 54717), (46, 47580), (52, 42090), (60, 36478), (61, 35880), (65, 33672), (69, 31720), (78, 28060), (92, 23790), (104, 21045), (115, 19032), (120, 18239), (122, 17940), (130, 16836), (138, 15860), (156, 14030), (183, 11960), (184, 11895), (195, 11224), (230, 9516), (244, 8970), (260, 8418), (276, 7930), (299, 7320), (305, 7176), (312, 7015), (345, 6344), (366, 5980), (390, 5612), (460, 4758), (488, 4485), (520, 4209), (552, 3965), (598, 3660), (610, 3588), (690, 3172), (732, 2990), (780, 2806), (793, 2760), (897, 2440), (915, 2392), (920, 2379), (1196, 1830), (1220, 1794), (1380, 1586), (1403, 1560), (1464, 1495)]