688309020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{337}}^1\times {\mathrm{1621}}^1$

素因数の和:1980

約数の個数: 144

約数和(自身を含む): 2394694848

約数和(自身を除く): 1706385828

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 337, 420, 630, 674, 1011, 1260, 1348, 1621, 1685, 2022, 2359, 3033, 3242, 3370, 4044, 4718, 4863, 5055, 6066, 6484, 6740, 7077, 8105, 9436, 9726, 10110, 11347, 11795, 12132, 14154, 14589, 15165, 16210, 19452, 20220, 21231, 22694, 23590, 24315, 28308, 29178, 30330, 32420, 34041, 35385, 42462, 45388, 47180, 48630, 56735, 58356, 60660, 68082, 70770, 72945, 84924, 97260, 102123, 106155, 113470, 136164, 141540, 145890, 170205, 204246, 212310, 226940, 291780, 340410, 408492, 424620, 510615, 546277, 680820, 1021230, 1092554, 1638831, 2042460, 2185108, 2731385, 3277662, 3823939, 4916493, 5462770, 6555324, 7647878, 8194155, 9832986, 10925540, 11471817, 15295756, 16388310, 19119695, 19665972, 22943634, 24582465, 32776620, 34415451, 38239390, 45887268, 49164930, 57359085, 68830902, 76478780, 98329860, 114718170, 137661804, 172077255, 229436340, 344154510, 688309020]

約数ペア:

[(1, 688309020), (2, 344154510), (3, 229436340), (4, 172077255), (5, 137661804), (6, 114718170), (7, 98329860), (9, 76478780), (10, 68830902), (12, 57359085), (14, 49164930), (15, 45887268), (18, 38239390), (20, 34415451), (21, 32776620), (28, 24582465), (30, 22943634), (35, 19665972), (36, 19119695), (42, 16388310), (45, 15295756), (60, 11471817), (63, 10925540), (70, 9832986), (84, 8194155), (90, 7647878), (105, 6555324), (126, 5462770), (140, 4916493), (180, 3823939), (210, 3277662), (252, 2731385), (315, 2185108), (337, 2042460), (420, 1638831), (630, 1092554), (674, 1021230), (1011, 680820), (1260, 546277), (1348, 510615), (1621, 424620), (1685, 408492), (2022, 340410), (2359, 291780), (3033, 226940), (3242, 212310), (3370, 204246), (4044, 170205), (4718, 145890), (4863, 141540), (5055, 136164), (6066, 113470), (6484, 106155), (6740, 102123), (7077, 97260), (8105, 84924), (9436, 72945), (9726, 70770), (10110, 68082), (11347, 60660), (11795, 58356), (12132, 56735), (14154, 48630), (14589, 47180), (15165, 45388), (16210, 42462), (19452, 35385), (20220, 34041), (21231, 32420), (22694, 30330), (23590, 29178), (24315, 28308)]