15973880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{139}}^1$

素因数の和:193

約数の個数: 96

約数和(自身を含む): 41504400

約数和(自身を除く): 25530520

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 139, 169, 170, 221, 260, 278, 338, 340, 442, 520, 556, 676, 680, 695, 845, 884, 1105, 1112, 1352, 1390, 1690, 1768, 1807, 2210, 2363, 2780, 2873, 3380, 3614, 4420, 4726, 5560, 5746, 6760, 7228, 8840, 9035, 9452, 11492, 11815, 14365, 14456, 18070, 18904, 22984, 23491, 23630, 28730, 30719, 36140, 46982, 47260, 57460, 61438, 72280, 93964, 94520, 114920, 117455, 122876, 153595, 187928, 234910, 245752, 307190, 399347, 469820, 614380, 798694, 939640, 1228760, 1597388, 1996735, 3194776, 3993470, 7986940, 15973880]

約数ペア:

[(1, 15973880), (2, 7986940), (4, 3993470), (5, 3194776), (8, 1996735), (10, 1597388), (13, 1228760), (17, 939640), (20, 798694), (26, 614380), (34, 469820), (40, 399347), (52, 307190), (65, 245752), (68, 234910), (85, 187928), (104, 153595), (130, 122876), (136, 117455), (139, 114920), (169, 94520), (170, 93964), (221, 72280), (260, 61438), (278, 57460), (338, 47260), (340, 46982), (442, 36140), (520, 30719), (556, 28730), (676, 23630), (680, 23491), (695, 22984), (845, 18904), (884, 18070), (1105, 14456), (1112, 14365), (1352, 11815), (1390, 11492), (1690, 9452), (1768, 9035), (1807, 8840), (2210, 7228), (2363, 6760), (2780, 5746), (2873, 5560), (3380, 4726), (3614, 4420)]