71621040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{457}}^1\times {\mathrm{653}}^1$

素因数の和:1126

約数の個数: 80

約数和(自身を含む): 222851808

約数和(自身を除く): 151230768

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 457, 653, 914, 1306, 1371, 1828, 1959, 2285, 2612, 2742, 3265, 3656, 3918, 4570, 5224, 5484, 6530, 6855, 7312, 7836, 9140, 9795, 10448, 10968, 13060, 13710, 15672, 18280, 19590, 21936, 26120, 27420, 31344, 36560, 39180, 52240, 54840, 78360, 109680, 156720, 298421, 596842, 895263, 1193684, 1492105, 1790526, 2387368, 2984210, 3581052, 4476315, 4774736, 5968420, 7162104, 8952630, 11936840, 14324208, 17905260, 23873680, 35810520, 71621040]

約数ペア:

[(1, 71621040), (2, 35810520), (3, 23873680), (4, 17905260), (5, 14324208), (6, 11936840), (8, 8952630), (10, 7162104), (12, 5968420), (15, 4774736), (16, 4476315), (20, 3581052), (24, 2984210), (30, 2387368), (40, 1790526), (48, 1492105), (60, 1193684), (80, 895263), (120, 596842), (240, 298421), (457, 156720), (653, 109680), (914, 78360), (1306, 54840), (1371, 52240), (1828, 39180), (1959, 36560), (2285, 31344), (2612, 27420), (2742, 26120), (3265, 21936), (3656, 19590), (3918, 18280), (4570, 15672), (5224, 13710), (5484, 13060), (6530, 10968), (6855, 10448), (7312, 9795), (7836, 9140)]