291538260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4019}}^1$

素因数の和:4078

約数の個数: 144

約数和(自身を含む): 983324160

約数和(自身を除く): 691785900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 31, 36, 39, 45, 52, 60, 62, 65, 78, 90, 93, 117, 124, 130, 155, 156, 180, 186, 195, 234, 260, 279, 310, 372, 390, 403, 465, 468, 558, 585, 620, 780, 806, 930, 1116, 1170, 1209, 1395, 1612, 1860, 2015, 2340, 2418, 2790, 3627, 4019, 4030, 4836, 5580, 6045, 7254, 8038, 8060, 12057, 12090, 14508, 16076, 18135, 20095, 24114, 24180, 36171, 36270, 40190, 48228, 52247, 60285, 72342, 72540, 80380, 104494, 120570, 124589, 144684, 156741, 180855, 208988, 241140, 249178, 261235, 313482, 361710, 373767, 470223, 498356, 522470, 622945, 626964, 723420, 747534, 783705, 940446, 1044940, 1121301, 1245890, 1495068, 1567410, 1619657, 1868835, 1880892, 2242602, 2351115, 2491780, 3134820, 3239314, 3737670, 4485204, 4702230, 4858971, 5606505, 6478628, 7475340, 8098285, 9404460, 9717942, 11213010, 14576913, 16196570, 19435884, 22426020, 24294855, 29153826, 32393140, 48589710, 58307652, 72884565, 97179420, 145769130, 291538260]

約数ペア:

[(1, 291538260), (2, 145769130), (3, 97179420), (4, 72884565), (5, 58307652), (6, 48589710), (9, 32393140), (10, 29153826), (12, 24294855), (13, 22426020), (15, 19435884), (18, 16196570), (20, 14576913), (26, 11213010), (30, 9717942), (31, 9404460), (36, 8098285), (39, 7475340), (45, 6478628), (52, 5606505), (60, 4858971), (62, 4702230), (65, 4485204), (78, 3737670), (90, 3239314), (93, 3134820), (117, 2491780), (124, 2351115), (130, 2242602), (155, 1880892), (156, 1868835), (180, 1619657), (186, 1567410), (195, 1495068), (234, 1245890), (260, 1121301), (279, 1044940), (310, 940446), (372, 783705), (390, 747534), (403, 723420), (465, 626964), (468, 622945), (558, 522470), (585, 498356), (620, 470223), (780, 373767), (806, 361710), (930, 313482), (1116, 261235), (1170, 249178), (1209, 241140), (1395, 208988), (1612, 180855), (1860, 156741), (2015, 144684), (2340, 124589), (2418, 120570), (2790, 104494), (3627, 80380), (4019, 72540), (4030, 72342), (4836, 60285), (5580, 52247), (6045, 48228), (7254, 40190), (8038, 36270), (8060, 36171), (12057, 24180), (12090, 24114), (14508, 20095), (16076, 18135)]