180611820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{619}}^1\times {\mathrm{1621}}^1$

素因数の和:2255

約数の個数: 72

約数和(自身を含む): 549079440

約数和(自身を除く): 368467620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 619, 1238, 1621, 1857, 2476, 3095, 3242, 3714, 4863, 5571, 6190, 6484, 7428, 8105, 9285, 9726, 11142, 12380, 14589, 16210, 18570, 19452, 22284, 24315, 27855, 29178, 32420, 37140, 48630, 55710, 58356, 72945, 97260, 111420, 145890, 291780, 1003399, 2006798, 3010197, 4013596, 5016995, 6020394, 9030591, 10033990, 12040788, 15050985, 18061182, 20067980, 30101970, 36122364, 45152955, 60203940, 90305910, 180611820]

約数ペア:

[(1, 180611820), (2, 90305910), (3, 60203940), (4, 45152955), (5, 36122364), (6, 30101970), (9, 20067980), (10, 18061182), (12, 15050985), (15, 12040788), (18, 10033990), (20, 9030591), (30, 6020394), (36, 5016995), (45, 4013596), (60, 3010197), (90, 2006798), (180, 1003399), (619, 291780), (1238, 145890), (1621, 111420), (1857, 97260), (2476, 72945), (3095, 58356), (3242, 55710), (3714, 48630), (4863, 37140), (5571, 32420), (6190, 29178), (6484, 27855), (7428, 24315), (8105, 22284), (9285, 19452), (9726, 18570), (11142, 16210), (12380, 14589)]