261237960

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{80629}}^1$

素因数の和:80652

約数の個数: 80

約数和(自身を含む): 878060700

約数和(自身を除く): 616822740

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 80629, 161258, 241887, 322516, 403145, 483774, 645032, 725661, 806290, 967548, 1209435, 1451322, 1612580, 1935096, 2176983, 2418870, 2902644, 3225160, 3628305, 4353966, 4837740, 5805288, 6530949, 7256610, 8707932, 9675480, 10884915, 13061898, 14513220, 17415864, 21769830, 26123796, 29026440, 32654745, 43539660, 52247592, 65309490, 87079320, 130618980, 261237960]

約数ペア:

[(1, 261237960), (2, 130618980), (3, 87079320), (4, 65309490), (5, 52247592), (6, 43539660), (8, 32654745), (9, 29026440), (10, 26123796), (12, 21769830), (15, 17415864), (18, 14513220), (20, 13061898), (24, 10884915), (27, 9675480), (30, 8707932), (36, 7256610), (40, 6530949), (45, 5805288), (54, 4837740), (60, 4353966), (72, 3628305), (81, 3225160), (90, 2902644), (108, 2418870), (120, 2176983), (135, 1935096), (162, 1612580), (180, 1451322), (216, 1209435), (270, 967548), (324, 806290), (360, 725661), (405, 645032), (540, 483774), (648, 403145), (810, 322516), (1080, 241887), (1620, 161258), (3240, 80629)]