1905990360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{30139}}^1$

素因数の和:30201

約数の個数: 128

約数和(自身を含む): 6249830400

約数和(自身を除く): 4343840040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 31, 34, 40, 51, 60, 62, 68, 85, 93, 102, 120, 124, 136, 155, 170, 186, 204, 248, 255, 310, 340, 372, 408, 465, 510, 527, 620, 680, 744, 930, 1020, 1054, 1240, 1581, 1860, 2040, 2108, 2635, 3162, 3720, 4216, 5270, 6324, 7905, 10540, 12648, 15810, 21080, 30139, 31620, 60278, 63240, 90417, 120556, 150695, 180834, 241112, 301390, 361668, 452085, 512363, 602780, 723336, 904170, 934309, 1024726, 1205560, 1537089, 1808340, 1868618, 2049452, 2561815, 2802927, 3074178, 3616680, 3737236, 4098904, 4671545, 5123630, 5605854, 6148356, 7474472, 7685445, 9343090, 10247260, 11211708, 12296712, 14014635, 15370890, 15883253, 18686180, 20494520, 22423416, 28029270, 30741780, 31766506, 37372360, 47649759, 56058540, 61483560, 63533012, 79416265, 95299518, 112117080, 127066024, 158832530, 190599036, 238248795, 317665060, 381198072, 476497590, 635330120, 952995180, 1905990360]

約数ペア:

[(1, 1905990360), (2, 952995180), (3, 635330120), (4, 476497590), (5, 381198072), (6, 317665060), (8, 238248795), (10, 190599036), (12, 158832530), (15, 127066024), (17, 112117080), (20, 95299518), (24, 79416265), (30, 63533012), (31, 61483560), (34, 56058540), (40, 47649759), (51, 37372360), (60, 31766506), (62, 30741780), (68, 28029270), (85, 22423416), (93, 20494520), (102, 18686180), (120, 15883253), (124, 15370890), (136, 14014635), (155, 12296712), (170, 11211708), (186, 10247260), (204, 9343090), (248, 7685445), (255, 7474472), (310, 6148356), (340, 5605854), (372, 5123630), (408, 4671545), (465, 4098904), (510, 3737236), (527, 3616680), (620, 3074178), (680, 2802927), (744, 2561815), (930, 2049452), (1020, 1868618), (1054, 1808340), (1240, 1537089), (1581, 1205560), (1860, 1024726), (2040, 934309), (2108, 904170), (2635, 723336), (3162, 602780), (3720, 512363), (4216, 452085), (5270, 361668), (6324, 301390), (7905, 241112), (10540, 180834), (12648, 150695), (15810, 120556), (21080, 90417), (30139, 63240), (31620, 60278)]