642638760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{3119}}^1$

素因数の和:3251

約数の個数: 128

約数和(自身を含む): 2062195200

約数和(自身を除く): 1419556440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 101, 102, 120, 136, 170, 202, 204, 255, 303, 340, 404, 408, 505, 510, 606, 680, 808, 1010, 1020, 1212, 1515, 1717, 2020, 2040, 2424, 3030, 3119, 3434, 4040, 5151, 6060, 6238, 6868, 8585, 9357, 10302, 12120, 12476, 13736, 15595, 17170, 18714, 20604, 24952, 25755, 31190, 34340, 37428, 41208, 46785, 51510, 53023, 62380, 68680, 74856, 93570, 103020, 106046, 124760, 159069, 187140, 206040, 212092, 265115, 315019, 318138, 374280, 424184, 530230, 630038, 636276, 795345, 945057, 1060460, 1260076, 1272552, 1575095, 1590690, 1890114, 2120920, 2520152, 3150190, 3181380, 3780228, 4725285, 5355323, 6300380, 6362760, 7560456, 9450570, 10710646, 12600760, 16065969, 18901140, 21421292, 26776615, 32131938, 37802280, 42842584, 53553230, 64263876, 80329845, 107106460, 128527752, 160659690, 214212920, 321319380, 642638760]

約数ペア:

[(1, 642638760), (2, 321319380), (3, 214212920), (4, 160659690), (5, 128527752), (6, 107106460), (8, 80329845), (10, 64263876), (12, 53553230), (15, 42842584), (17, 37802280), (20, 32131938), (24, 26776615), (30, 21421292), (34, 18901140), (40, 16065969), (51, 12600760), (60, 10710646), (68, 9450570), (85, 7560456), (101, 6362760), (102, 6300380), (120, 5355323), (136, 4725285), (170, 3780228), (202, 3181380), (204, 3150190), (255, 2520152), (303, 2120920), (340, 1890114), (404, 1590690), (408, 1575095), (505, 1272552), (510, 1260076), (606, 1060460), (680, 945057), (808, 795345), (1010, 636276), (1020, 630038), (1212, 530230), (1515, 424184), (1717, 374280), (2020, 318138), (2040, 315019), (2424, 265115), (3030, 212092), (3119, 206040), (3434, 187140), (4040, 159069), (5151, 124760), (6060, 106046), (6238, 103020), (6868, 93570), (8585, 74856), (9357, 68680), (10302, 62380), (12120, 53023), (12476, 51510), (13736, 46785), (15595, 41208), (17170, 37428), (18714, 34340), (20604, 31190), (24952, 25755)]