81007380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1151}}^1$

素因数の和:1206

約数の個数: 144

約数和(自身を含む): 271724544

約数和(自身を除く): 190717164

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 23, 30, 34, 36, 45, 46, 51, 60, 68, 69, 85, 90, 92, 102, 115, 138, 153, 170, 180, 204, 207, 230, 255, 276, 306, 340, 345, 391, 414, 460, 510, 612, 690, 765, 782, 828, 1020, 1035, 1151, 1173, 1380, 1530, 1564, 1955, 2070, 2302, 2346, 3060, 3453, 3519, 3910, 4140, 4604, 4692, 5755, 5865, 6906, 7038, 7820, 10359, 11510, 11730, 13812, 14076, 17265, 17595, 19567, 20718, 23020, 23460, 26473, 34530, 35190, 39134, 41436, 51795, 52946, 58701, 69060, 70380, 78268, 79419, 97835, 103590, 105892, 117402, 132365, 158838, 176103, 195670, 207180, 234804, 238257, 264730, 293505, 317676, 352206, 391340, 397095, 450041, 476514, 529460, 587010, 704412, 794190, 880515, 900082, 953028, 1174020, 1191285, 1350123, 1588380, 1761030, 1800164, 2250205, 2382570, 2700246, 3522060, 4050369, 4500410, 4765140, 5400492, 6750615, 8100738, 9000820, 13501230, 16201476, 20251845, 27002460, 40503690, 81007380]

約数ペア:

[(1, 81007380), (2, 40503690), (3, 27002460), (4, 20251845), (5, 16201476), (6, 13501230), (9, 9000820), (10, 8100738), (12, 6750615), (15, 5400492), (17, 4765140), (18, 4500410), (20, 4050369), (23, 3522060), (30, 2700246), (34, 2382570), (36, 2250205), (45, 1800164), (46, 1761030), (51, 1588380), (60, 1350123), (68, 1191285), (69, 1174020), (85, 953028), (90, 900082), (92, 880515), (102, 794190), (115, 704412), (138, 587010), (153, 529460), (170, 476514), (180, 450041), (204, 397095), (207, 391340), (230, 352206), (255, 317676), (276, 293505), (306, 264730), (340, 238257), (345, 234804), (391, 207180), (414, 195670), (460, 176103), (510, 158838), (612, 132365), (690, 117402), (765, 105892), (782, 103590), (828, 97835), (1020, 79419), (1035, 78268), (1151, 70380), (1173, 69060), (1380, 58701), (1530, 52946), (1564, 51795), (1955, 41436), (2070, 39134), (2302, 35190), (2346, 34530), (3060, 26473), (3453, 23460), (3519, 23020), (3910, 20718), (4140, 19567), (4604, 17595), (4692, 17265), (5755, 14076), (5865, 13812), (6906, 11730), (7038, 11510), (7820, 10359)]