131427780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{421}}^1$

素因数の和:498

約数の個数: 144

約数和(自身を含む): 414883392

約数和(自身を除く): 283455612

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 43, 44, 55, 60, 66, 86, 110, 121, 129, 132, 165, 172, 215, 220, 242, 258, 330, 363, 421, 430, 473, 484, 516, 605, 645, 660, 726, 842, 860, 946, 1210, 1263, 1290, 1419, 1452, 1684, 1815, 1892, 2105, 2365, 2420, 2526, 2580, 2838, 3630, 4210, 4631, 4730, 5052, 5203, 5676, 6315, 7095, 7260, 8420, 9262, 9460, 10406, 12630, 13893, 14190, 15609, 18103, 18524, 20812, 23155, 25260, 26015, 27786, 28380, 31218, 36206, 46310, 50941, 52030, 54309, 55572, 62436, 69465, 72412, 78045, 90515, 92620, 101882, 104060, 108618, 138930, 152823, 156090, 181030, 199133, 203764, 217236, 254705, 271545, 277860, 305646, 312180, 362060, 398266, 509410, 543090, 597399, 611292, 764115, 796532, 995665, 1018820, 1086180, 1194798, 1528230, 1991330, 2190463, 2389596, 2986995, 3056460, 3982660, 4380926, 5973990, 6571389, 8761852, 10952315, 11947980, 13142778, 21904630, 26285556, 32856945, 43809260, 65713890, 131427780]

約数ペア:

[(1, 131427780), (2, 65713890), (3, 43809260), (4, 32856945), (5, 26285556), (6, 21904630), (10, 13142778), (11, 11947980), (12, 10952315), (15, 8761852), (20, 6571389), (22, 5973990), (30, 4380926), (33, 3982660), (43, 3056460), (44, 2986995), (55, 2389596), (60, 2190463), (66, 1991330), (86, 1528230), (110, 1194798), (121, 1086180), (129, 1018820), (132, 995665), (165, 796532), (172, 764115), (215, 611292), (220, 597399), (242, 543090), (258, 509410), (330, 398266), (363, 362060), (421, 312180), (430, 305646), (473, 277860), (484, 271545), (516, 254705), (605, 217236), (645, 203764), (660, 199133), (726, 181030), (842, 156090), (860, 152823), (946, 138930), (1210, 108618), (1263, 104060), (1290, 101882), (1419, 92620), (1452, 90515), (1684, 78045), (1815, 72412), (1892, 69465), (2105, 62436), (2365, 55572), (2420, 54309), (2526, 52030), (2580, 50941), (2838, 46310), (3630, 36206), (4210, 31218), (4631, 28380), (4730, 27786), (5052, 26015), (5203, 25260), (5676, 23155), (6315, 20812), (7095, 18524), (7260, 18103), (8420, 15609), (9262, 14190), (9460, 13893), (10406, 12630)]