69912990

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{521}}^1$

素因数の和:615

約数の個数: 128

約数和(自身を含む): 216483840

約数和(自身を除く): 146570850

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 71, 90, 105, 126, 135, 142, 189, 210, 213, 270, 315, 355, 378, 426, 497, 521, 630, 639, 710, 945, 994, 1042, 1065, 1278, 1491, 1563, 1890, 1917, 2130, 2485, 2605, 2982, 3126, 3195, 3647, 3834, 4473, 4689, 4970, 5210, 6390, 7294, 7455, 7815, 8946, 9378, 9585, 10941, 13419, 14067, 14910, 15630, 18235, 19170, 21882, 22365, 23445, 26838, 28134, 32823, 36470, 36991, 44730, 46890, 54705, 65646, 67095, 70335, 73982, 98469, 109410, 110973, 134190, 140670, 164115, 184955, 196938, 221946, 258937, 328230, 332919, 369910, 492345, 517874, 554865, 665838, 776811, 984690, 998757, 1109730, 1294685, 1553622, 1664595, 1997514, 2330433, 2589370, 3329190, 3884055, 4660866, 4993785, 6991299, 7768110, 9987570, 11652165, 13982598, 23304330, 34956495, 69912990]

約数ペア:

[(1, 69912990), (2, 34956495), (3, 23304330), (5, 13982598), (6, 11652165), (7, 9987570), (9, 7768110), (10, 6991299), (14, 4993785), (15, 4660866), (18, 3884055), (21, 3329190), (27, 2589370), (30, 2330433), (35, 1997514), (42, 1664595), (45, 1553622), (54, 1294685), (63, 1109730), (70, 998757), (71, 984690), (90, 776811), (105, 665838), (126, 554865), (135, 517874), (142, 492345), (189, 369910), (210, 332919), (213, 328230), (270, 258937), (315, 221946), (355, 196938), (378, 184955), (426, 164115), (497, 140670), (521, 134190), (630, 110973), (639, 109410), (710, 98469), (945, 73982), (994, 70335), (1042, 67095), (1065, 65646), (1278, 54705), (1491, 46890), (1563, 44730), (1890, 36991), (1917, 36470), (2130, 32823), (2485, 28134), (2605, 26838), (2982, 23445), (3126, 22365), (3195, 21882), (3647, 19170), (3834, 18235), (4473, 15630), (4689, 14910), (4970, 14067), (5210, 13419), (6390, 10941), (7294, 9585), (7455, 9378), (7815, 8946)]