71576520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{271}}^1$

素因数の和:387

約数の個数: 128

約数和(自身を含む): 225607680

約数和(自身を除く): 154031160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 71, 93, 120, 124, 142, 155, 186, 213, 248, 271, 284, 310, 355, 372, 426, 465, 542, 568, 620, 710, 744, 813, 852, 930, 1065, 1084, 1240, 1355, 1420, 1626, 1704, 1860, 2130, 2168, 2201, 2710, 2840, 3252, 3720, 4065, 4260, 4402, 5420, 6504, 6603, 8130, 8401, 8520, 8804, 10840, 11005, 13206, 16260, 16802, 17608, 19241, 22010, 25203, 26412, 32520, 33015, 33604, 38482, 42005, 44020, 50406, 52824, 57723, 66030, 67208, 76964, 84010, 88040, 96205, 100812, 115446, 126015, 132060, 153928, 168020, 192410, 201624, 230892, 252030, 264120, 288615, 336040, 384820, 461784, 504060, 577230, 596471, 769640, 1008120, 1154460, 1192942, 1789413, 2308920, 2385884, 2982355, 3578826, 4771768, 5964710, 7157652, 8947065, 11929420, 14315304, 17894130, 23858840, 35788260, 71576520]

約数ペア:

[(1, 71576520), (2, 35788260), (3, 23858840), (4, 17894130), (5, 14315304), (6, 11929420), (8, 8947065), (10, 7157652), (12, 5964710), (15, 4771768), (20, 3578826), (24, 2982355), (30, 2385884), (31, 2308920), (40, 1789413), (60, 1192942), (62, 1154460), (71, 1008120), (93, 769640), (120, 596471), (124, 577230), (142, 504060), (155, 461784), (186, 384820), (213, 336040), (248, 288615), (271, 264120), (284, 252030), (310, 230892), (355, 201624), (372, 192410), (426, 168020), (465, 153928), (542, 132060), (568, 126015), (620, 115446), (710, 100812), (744, 96205), (813, 88040), (852, 84010), (930, 76964), (1065, 67208), (1084, 66030), (1240, 57723), (1355, 52824), (1420, 50406), (1626, 44020), (1704, 42005), (1860, 38482), (2130, 33604), (2168, 33015), (2201, 32520), (2710, 26412), (2840, 25203), (3252, 22010), (3720, 19241), (4065, 17608), (4260, 16802), (4402, 16260), (5420, 13206), (6504, 11005), (6603, 10840), (8130, 8804), (8401, 8520)]