2457520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1$

素因数の和:182

約数の個数: 80

約数和(自身を含む): 6562080

約数和(自身を除く): 4104560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 139, 170, 208, 221, 260, 272, 278, 340, 442, 520, 556, 680, 695, 884, 1040, 1105, 1112, 1360, 1390, 1768, 1807, 2210, 2224, 2363, 2780, 3536, 3614, 4420, 4726, 5560, 7228, 8840, 9035, 9452, 11120, 11815, 14456, 17680, 18070, 18904, 23630, 28912, 30719, 36140, 37808, 47260, 61438, 72280, 94520, 122876, 144560, 153595, 189040, 245752, 307190, 491504, 614380, 1228760, 2457520]

約数ペア:

[(1, 2457520), (2, 1228760), (4, 614380), (5, 491504), (8, 307190), (10, 245752), (13, 189040), (16, 153595), (17, 144560), (20, 122876), (26, 94520), (34, 72280), (40, 61438), (52, 47260), (65, 37808), (68, 36140), (80, 30719), (85, 28912), (104, 23630), (130, 18904), (136, 18070), (139, 17680), (170, 14456), (208, 11815), (221, 11120), (260, 9452), (272, 9035), (278, 8840), (340, 7228), (442, 5560), (520, 4726), (556, 4420), (680, 3614), (695, 3536), (884, 2780), (1040, 2363), (1105, 2224), (1112, 2210), (1360, 1807), (1390, 1768)]