16540680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{461}}^1$

素因数の和:511

約数の個数: 128

約数和(自身を含む): 55883520

約数和(自身を除く): 39342840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 23, 24, 26, 30, 39, 40, 46, 52, 60, 65, 69, 78, 92, 104, 115, 120, 130, 138, 156, 184, 195, 230, 260, 276, 299, 312, 345, 390, 460, 461, 520, 552, 598, 690, 780, 897, 920, 922, 1196, 1380, 1383, 1495, 1560, 1794, 1844, 2305, 2392, 2760, 2766, 2990, 3588, 3688, 4485, 4610, 5532, 5980, 5993, 6915, 7176, 8970, 9220, 10603, 11064, 11960, 11986, 13830, 17940, 17979, 18440, 21206, 23972, 27660, 29965, 31809, 35880, 35958, 42412, 47944, 53015, 55320, 59930, 63618, 71916, 84824, 89895, 106030, 119860, 127236, 137839, 143832, 159045, 179790, 212060, 239720, 254472, 275678, 318090, 359580, 413517, 424120, 551356, 636180, 689195, 719160, 827034, 1102712, 1272360, 1378390, 1654068, 2067585, 2756780, 3308136, 4135170, 5513560, 8270340, 16540680]

約数ペア:

[(1, 16540680), (2, 8270340), (3, 5513560), (4, 4135170), (5, 3308136), (6, 2756780), (8, 2067585), (10, 1654068), (12, 1378390), (13, 1272360), (15, 1102712), (20, 827034), (23, 719160), (24, 689195), (26, 636180), (30, 551356), (39, 424120), (40, 413517), (46, 359580), (52, 318090), (60, 275678), (65, 254472), (69, 239720), (78, 212060), (92, 179790), (104, 159045), (115, 143832), (120, 137839), (130, 127236), (138, 119860), (156, 106030), (184, 89895), (195, 84824), (230, 71916), (260, 63618), (276, 59930), (299, 55320), (312, 53015), (345, 47944), (390, 42412), (460, 35958), (461, 35880), (520, 31809), (552, 29965), (598, 27660), (690, 23972), (780, 21206), (897, 18440), (920, 17979), (922, 17940), (1196, 13830), (1380, 11986), (1383, 11960), (1495, 11064), (1560, 10603), (1794, 9220), (1844, 8970), (2305, 7176), (2392, 6915), (2760, 5993), (2766, 5980), (2990, 5532), (3588, 4610), (3688, 4485)]