201818790

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{23}}^2\times {\mathrm{157}}^1$

素因数の和:225

約数の個数: 144

約数和(自身を含む): 572474448

約数和(自身を除く): 370655658

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 27, 30, 45, 46, 54, 69, 81, 90, 115, 135, 138, 157, 162, 207, 230, 243, 270, 314, 345, 405, 414, 471, 486, 529, 621, 690, 785, 810, 942, 1035, 1058, 1215, 1242, 1413, 1570, 1587, 1863, 2070, 2355, 2430, 2645, 2826, 3105, 3174, 3611, 3726, 4239, 4710, 4761, 5290, 5589, 6210, 7065, 7222, 7935, 8478, 9315, 9522, 10833, 11178, 12717, 14130, 14283, 15870, 18055, 18630, 21195, 21666, 23805, 25434, 27945, 28566, 32499, 36110, 38151, 42390, 42849, 47610, 54165, 55890, 63585, 64998, 71415, 76302, 83053, 85698, 97497, 108330, 127170, 128547, 142830, 162495, 166106, 190755, 194994, 214245, 249159, 257094, 292491, 324990, 381510, 415265, 428490, 487485, 498318, 584982, 642735, 747477, 830530, 877473, 974970, 1245795, 1285470, 1462455, 1494954, 1754946, 2242431, 2491590, 2924910, 3737385, 4387365, 4484862, 6727293, 7474770, 8774730, 11212155, 13454586, 20181879, 22424310, 33636465, 40363758, 67272930, 100909395, 201818790]

約数ペア:

[(1, 201818790), (2, 100909395), (3, 67272930), (5, 40363758), (6, 33636465), (9, 22424310), (10, 20181879), (15, 13454586), (18, 11212155), (23, 8774730), (27, 7474770), (30, 6727293), (45, 4484862), (46, 4387365), (54, 3737385), (69, 2924910), (81, 2491590), (90, 2242431), (115, 1754946), (135, 1494954), (138, 1462455), (157, 1285470), (162, 1245795), (207, 974970), (230, 877473), (243, 830530), (270, 747477), (314, 642735), (345, 584982), (405, 498318), (414, 487485), (471, 428490), (486, 415265), (529, 381510), (621, 324990), (690, 292491), (785, 257094), (810, 249159), (942, 214245), (1035, 194994), (1058, 190755), (1215, 166106), (1242, 162495), (1413, 142830), (1570, 128547), (1587, 127170), (1863, 108330), (2070, 97497), (2355, 85698), (2430, 83053), (2645, 76302), (2826, 71415), (3105, 64998), (3174, 63585), (3611, 55890), (3726, 54165), (4239, 47610), (4710, 42849), (4761, 42390), (5290, 38151), (5589, 36110), (6210, 32499), (7065, 28566), (7222, 27945), (7935, 25434), (8478, 23805), (9315, 21666), (9522, 21195), (10833, 18630), (11178, 18055), (12717, 15870), (14130, 14283)]