720622260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{863}}^1\times {\mathrm{4639}}^1$

素因数の和:5517

約数の個数: 72

約数和(自身を含む): 2188892160

約数和(自身を除く): 1468269900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 863, 1726, 2589, 3452, 4315, 4639, 5178, 7767, 8630, 9278, 10356, 12945, 13917, 15534, 17260, 18556, 23195, 25890, 27834, 31068, 38835, 41751, 46390, 51780, 55668, 69585, 77670, 83502, 92780, 139170, 155340, 167004, 208755, 278340, 417510, 835020, 4003457, 8006914, 12010371, 16013828, 20017285, 24020742, 36031113, 40034570, 48041484, 60051855, 72062226, 80069140, 120103710, 144124452, 180155565, 240207420, 360311130, 720622260]

約数ペア:

[(1, 720622260), (2, 360311130), (3, 240207420), (4, 180155565), (5, 144124452), (6, 120103710), (9, 80069140), (10, 72062226), (12, 60051855), (15, 48041484), (18, 40034570), (20, 36031113), (30, 24020742), (36, 20017285), (45, 16013828), (60, 12010371), (90, 8006914), (180, 4003457), (863, 835020), (1726, 417510), (2589, 278340), (3452, 208755), (4315, 167004), (4639, 155340), (5178, 139170), (7767, 92780), (8630, 83502), (9278, 77670), (10356, 69585), (12945, 55668), (13917, 51780), (15534, 46390), (17260, 41751), (18556, 38835), (23195, 31068), (25890, 27834)]