1921140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{821}}^1$

素因数の和:849

約数の個数: 72

約数和(自身を含む): 6283368

約数和(自身を除く): 4362228

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 821, 1170, 1642, 2340, 2463, 3284, 4105, 4926, 7389, 8210, 9852, 10673, 12315, 14778, 16420, 21346, 24630, 29556, 32019, 36945, 42692, 49260, 53365, 64038, 73890, 96057, 106730, 128076, 147780, 160095, 192114, 213460, 320190, 384228, 480285, 640380, 960570, 1921140]

約数ペア:

[(1, 1921140), (2, 960570), (3, 640380), (4, 480285), (5, 384228), (6, 320190), (9, 213460), (10, 192114), (12, 160095), (13, 147780), (15, 128076), (18, 106730), (20, 96057), (26, 73890), (30, 64038), (36, 53365), (39, 49260), (45, 42692), (52, 36945), (60, 32019), (65, 29556), (78, 24630), (90, 21346), (117, 16420), (130, 14778), (156, 12315), (180, 10673), (195, 9852), (234, 8210), (260, 7389), (390, 4926), (468, 4105), (585, 3284), (780, 2463), (821, 2340), (1170, 1642)]