30530920

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{421}}^1$

素因数の和:483

約数の個数: 96

約数和(自身を含む): 82264680

約数和(自身を除く): 51733760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 49, 56, 70, 74, 98, 140, 148, 185, 196, 245, 259, 280, 296, 370, 392, 421, 490, 518, 740, 842, 980, 1036, 1295, 1480, 1684, 1813, 1960, 2072, 2105, 2590, 2947, 3368, 3626, 4210, 5180, 5894, 7252, 8420, 9065, 10360, 11788, 14504, 14735, 15577, 16840, 18130, 20629, 23576, 29470, 31154, 36260, 41258, 58940, 62308, 72520, 77885, 82516, 103145, 109039, 117880, 124616, 155770, 165032, 206290, 218078, 311540, 412580, 436156, 545195, 623080, 763273, 825160, 872312, 1090390, 1526546, 2180780, 3053092, 3816365, 4361560, 6106184, 7632730, 15265460, 30530920]

約数ペア:

[(1, 30530920), (2, 15265460), (4, 7632730), (5, 6106184), (7, 4361560), (8, 3816365), (10, 3053092), (14, 2180780), (20, 1526546), (28, 1090390), (35, 872312), (37, 825160), (40, 763273), (49, 623080), (56, 545195), (70, 436156), (74, 412580), (98, 311540), (140, 218078), (148, 206290), (185, 165032), (196, 155770), (245, 124616), (259, 117880), (280, 109039), (296, 103145), (370, 82516), (392, 77885), (421, 72520), (490, 62308), (518, 58940), (740, 41258), (842, 36260), (980, 31154), (1036, 29470), (1295, 23576), (1480, 20629), (1684, 18130), (1813, 16840), (1960, 15577), (2072, 14735), (2105, 14504), (2590, 11788), (2947, 10360), (3368, 9065), (3626, 8420), (4210, 7252), (5180, 5894)]