81254628

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1459}}^1$

素因数の和:1506

約数の個数: 144

約数和(自身を含む): 267845760

約数和(自身を除く): 186591132

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 17, 18, 21, 26, 28, 34, 36, 39, 42, 51, 52, 63, 68, 78, 84, 91, 102, 117, 119, 126, 153, 156, 182, 204, 221, 234, 238, 252, 273, 306, 357, 364, 442, 468, 476, 546, 612, 663, 714, 819, 884, 1071, 1092, 1326, 1428, 1459, 1547, 1638, 1989, 2142, 2652, 2918, 3094, 3276, 3978, 4284, 4377, 4641, 5836, 6188, 7956, 8754, 9282, 10213, 13131, 13923, 17508, 18564, 18967, 20426, 24803, 26262, 27846, 30639, 37934, 40852, 49606, 52524, 55692, 56901, 61278, 74409, 75868, 91917, 99212, 113802, 122556, 132769, 148818, 170703, 173621, 183834, 223227, 227604, 265538, 297636, 322439, 341406, 347242, 367668, 398307, 446454, 520863, 531076, 644878, 682812, 694484, 796614, 892908, 967317, 1041726, 1194921, 1289756, 1562589, 1593228, 1934634, 2083452, 2257073, 2389842, 2901951, 3125178, 3869268, 4514146, 4779684, 5803902, 6250356, 6771219, 9028292, 11607804, 13542438, 20313657, 27084876, 40627314, 81254628]

約数ペア:

[(1, 81254628), (2, 40627314), (3, 27084876), (4, 20313657), (6, 13542438), (7, 11607804), (9, 9028292), (12, 6771219), (13, 6250356), (14, 5803902), (17, 4779684), (18, 4514146), (21, 3869268), (26, 3125178), (28, 2901951), (34, 2389842), (36, 2257073), (39, 2083452), (42, 1934634), (51, 1593228), (52, 1562589), (63, 1289756), (68, 1194921), (78, 1041726), (84, 967317), (91, 892908), (102, 796614), (117, 694484), (119, 682812), (126, 644878), (153, 531076), (156, 520863), (182, 446454), (204, 398307), (221, 367668), (234, 347242), (238, 341406), (252, 322439), (273, 297636), (306, 265538), (357, 227604), (364, 223227), (442, 183834), (468, 173621), (476, 170703), (546, 148818), (612, 132769), (663, 122556), (714, 113802), (819, 99212), (884, 91917), (1071, 75868), (1092, 74409), (1326, 61278), (1428, 56901), (1459, 55692), (1547, 52524), (1638, 49606), (1989, 40852), (2142, 37934), (2652, 30639), (2918, 27846), (3094, 26262), (3276, 24803), (3978, 20426), (4284, 18967), (4377, 18564), (4641, 17508), (5836, 13923), (6188, 13131), (7956, 10213), (8754, 9282)]