1888740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{1499}}^1$

素因数の和:1521

約数の個数: 72

約数和(自身を含む): 6552000

約数和(自身を除く): 4663260

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, 420, 630, 1260, 1499, 2998, 4497, 5996, 7495, 8994, 10493, 13491, 14990, 17988, 20986, 22485, 26982, 29980, 31479, 41972, 44970, 52465, 53964, 62958, 67455, 89940, 94437, 104930, 125916, 134910, 157395, 188874, 209860, 269820, 314790, 377748, 472185, 629580, 944370, 1888740]

約数ペア:

[(1, 1888740), (2, 944370), (3, 629580), (4, 472185), (5, 377748), (6, 314790), (7, 269820), (9, 209860), (10, 188874), (12, 157395), (14, 134910), (15, 125916), (18, 104930), (20, 94437), (21, 89940), (28, 67455), (30, 62958), (35, 53964), (36, 52465), (42, 44970), (45, 41972), (60, 31479), (63, 29980), (70, 26982), (84, 22485), (90, 20986), (105, 17988), (126, 14990), (140, 13491), (180, 10493), (210, 8994), (252, 7495), (315, 5996), (420, 4497), (630, 2998), (1260, 1499)]