81555150

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:294

約数の個数: 96

約数和(自身を含む): 210924000

約数和(自身を除く): 129368850

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 41, 50, 75, 82, 89, 123, 149, 150, 178, 205, 246, 267, 298, 410, 445, 447, 534, 615, 745, 890, 894, 1025, 1230, 1335, 1490, 2050, 2225, 2235, 2670, 3075, 3649, 3725, 4450, 4470, 6109, 6150, 6675, 7298, 7450, 10947, 11175, 12218, 13261, 13350, 18245, 18327, 21894, 22350, 26522, 30545, 36490, 36654, 39783, 54735, 61090, 66305, 79566, 91225, 91635, 109470, 132610, 152725, 182450, 183270, 198915, 273675, 305450, 331525, 397830, 458175, 543701, 547350, 663050, 916350, 994575, 1087402, 1631103, 1989150, 2718505, 3262206, 5437010, 8155515, 13592525, 16311030, 27185050, 40777575, 81555150]

約数ペア:

[(1, 81555150), (2, 40777575), (3, 27185050), (5, 16311030), (6, 13592525), (10, 8155515), (15, 5437010), (25, 3262206), (30, 2718505), (41, 1989150), (50, 1631103), (75, 1087402), (82, 994575), (89, 916350), (123, 663050), (149, 547350), (150, 543701), (178, 458175), (205, 397830), (246, 331525), (267, 305450), (298, 273675), (410, 198915), (445, 183270), (447, 182450), (534, 152725), (615, 132610), (745, 109470), (890, 91635), (894, 91225), (1025, 79566), (1230, 66305), (1335, 61090), (1490, 54735), (2050, 39783), (2225, 36654), (2235, 36490), (2670, 30545), (3075, 26522), (3649, 22350), (3725, 21894), (4450, 18327), (4470, 18245), (6109, 13350), (6150, 13261), (6675, 12218), (7298, 11175), (7450, 10947)]