155357680

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{571}}^1$

素因数の和:782

約数の個数: 80

約数和(自身を含む): 383011200

約数和(自身を除く): 227653520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 179, 190, 304, 358, 380, 571, 716, 760, 895, 1142, 1432, 1520, 1790, 2284, 2855, 2864, 3401, 3580, 4568, 5710, 6802, 7160, 9136, 10849, 11420, 13604, 14320, 17005, 21698, 22840, 27208, 34010, 43396, 45680, 54245, 54416, 68020, 86792, 102209, 108490, 136040, 173584, 204418, 216980, 272080, 408836, 433960, 511045, 817672, 867920, 1022090, 1635344, 1941971, 2044180, 3883942, 4088360, 7767884, 8176720, 9709855, 15535768, 19419710, 31071536, 38839420, 77678840, 155357680]

約数ペア:

[(1, 155357680), (2, 77678840), (4, 38839420), (5, 31071536), (8, 19419710), (10, 15535768), (16, 9709855), (19, 8176720), (20, 7767884), (38, 4088360), (40, 3883942), (76, 2044180), (80, 1941971), (95, 1635344), (152, 1022090), (179, 867920), (190, 817672), (304, 511045), (358, 433960), (380, 408836), (571, 272080), (716, 216980), (760, 204418), (895, 173584), (1142, 136040), (1432, 108490), (1520, 102209), (1790, 86792), (2284, 68020), (2855, 54416), (2864, 54245), (3401, 45680), (3580, 43396), (4568, 34010), (5710, 27208), (6802, 22840), (7160, 21698), (9136, 17005), (10849, 14320), (11420, 13604)]