339939080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{661}}^1$

素因数の和:751

約数の個数: 128

約数和(自身を含む): 880830720

約数和(自身を除く): 540891640

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 43, 46, 52, 65, 86, 92, 104, 115, 130, 172, 184, 215, 230, 260, 299, 344, 430, 460, 520, 559, 598, 661, 860, 920, 989, 1118, 1196, 1322, 1495, 1720, 1978, 2236, 2392, 2644, 2795, 2990, 3305, 3956, 4472, 4945, 5288, 5590, 5980, 6610, 7912, 8593, 9890, 11180, 11960, 12857, 13220, 15203, 17186, 19780, 22360, 25714, 26440, 28423, 30406, 34372, 39560, 42965, 51428, 56846, 60812, 64285, 68744, 76015, 85930, 102856, 113692, 121624, 128570, 142115, 152030, 171860, 197639, 227384, 257140, 284230, 304060, 343720, 369499, 395278, 514280, 568460, 608120, 653729, 738998, 790556, 988195, 1136920, 1307458, 1477996, 1581112, 1847495, 1976390, 2614916, 2955992, 3268645, 3694990, 3952780, 5229832, 6537290, 7389980, 7905560, 8498477, 13074580, 14779960, 16996954, 26149160, 33993908, 42492385, 67987816, 84984770, 169969540, 339939080]

約数ペア:

[(1, 339939080), (2, 169969540), (4, 84984770), (5, 67987816), (8, 42492385), (10, 33993908), (13, 26149160), (20, 16996954), (23, 14779960), (26, 13074580), (40, 8498477), (43, 7905560), (46, 7389980), (52, 6537290), (65, 5229832), (86, 3952780), (92, 3694990), (104, 3268645), (115, 2955992), (130, 2614916), (172, 1976390), (184, 1847495), (215, 1581112), (230, 1477996), (260, 1307458), (299, 1136920), (344, 988195), (430, 790556), (460, 738998), (520, 653729), (559, 608120), (598, 568460), (661, 514280), (860, 395278), (920, 369499), (989, 343720), (1118, 304060), (1196, 284230), (1322, 257140), (1495, 227384), (1720, 197639), (1978, 171860), (2236, 152030), (2392, 142115), (2644, 128570), (2795, 121624), (2990, 113692), (3305, 102856), (3956, 85930), (4472, 76015), (4945, 68744), (5288, 64285), (5590, 60812), (5980, 56846), (6610, 51428), (7912, 42965), (8593, 39560), (9890, 34372), (11180, 30406), (11960, 28423), (12857, 26440), (13220, 25714), (15203, 22360), (17186, 19780)]