81931620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{229}}^1$

素因数の和:397

約数の個数: 96

約数和(自身を含む): 236476800

約数和(自身を除く): 154545180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 67, 89, 134, 178, 201, 229, 267, 268, 335, 356, 402, 445, 458, 534, 670, 687, 804, 890, 916, 1005, 1068, 1145, 1335, 1340, 1374, 1780, 2010, 2290, 2670, 2748, 3435, 4020, 4580, 5340, 5963, 6870, 11926, 13740, 15343, 17889, 20381, 23852, 29815, 30686, 35778, 40762, 46029, 59630, 61143, 61372, 71556, 76715, 81524, 89445, 92058, 101905, 119260, 122286, 153430, 178890, 184116, 203810, 230145, 244572, 305715, 306860, 357780, 407620, 460290, 611430, 920580, 1222860, 1365527, 2731054, 4096581, 5462108, 6827635, 8193162, 13655270, 16386324, 20482905, 27310540, 40965810, 81931620]

約数ペア:

[(1, 81931620), (2, 40965810), (3, 27310540), (4, 20482905), (5, 16386324), (6, 13655270), (10, 8193162), (12, 6827635), (15, 5462108), (20, 4096581), (30, 2731054), (60, 1365527), (67, 1222860), (89, 920580), (134, 611430), (178, 460290), (201, 407620), (229, 357780), (267, 306860), (268, 305715), (335, 244572), (356, 230145), (402, 203810), (445, 184116), (458, 178890), (534, 153430), (670, 122286), (687, 119260), (804, 101905), (890, 92058), (916, 89445), (1005, 81524), (1068, 76715), (1145, 71556), (1335, 61372), (1340, 61143), (1374, 59630), (1780, 46029), (2010, 40762), (2290, 35778), (2670, 30686), (2748, 29815), (3435, 23852), (4020, 20381), (4580, 17889), (5340, 15343), (5963, 13740), (6870, 11926)]