20176920540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{1249}}^1\times {\mathrm{12821}}^1$

素因数の和:14092

約数の個数: 144

約数和(自身を含む): 70008120000

約数和(自身を除く): 49831199460

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1249, 1260, 2498, 3747, 4996, 6245, 7494, 8743, 11241, 12490, 12821, 14988, 17486, 18735, 22482, 24980, 25642, 26229, 34972, 37470, 38463, 43715, 44964, 51284, 52458, 56205, 64105, 74940, 76926, 78687, 87430, 89747, 104916, 112410, 115389, 128210, 131145, 153852, 157374, 174860, 179494, 192315, 224820, 230778, 256420, 262290, 269241, 314748, 358988, 384630, 393435, 448735, 461556, 524580, 538482, 576945, 769260, 786870, 807723, 897470, 1076964, 1153890, 1346205, 1573740, 1615446, 1794940, 2307780, 2692410, 3230892, 4038615, 5384820, 8077230, 16013429, 16154460, 32026858, 48040287, 64053716, 80067145, 96080574, 112094003, 144120861, 160134290, 192161148, 224188006, 240201435, 288241722, 320268580, 336282009, 448376012, 480402870, 560470015, 576483444, 672564018, 720604305, 960805740, 1008846027, 1120940030, 1345128036, 1441208610, 1681410045, 2017692054, 2241880060, 2882417220, 3362820090, 4035384108, 5044230135, 6725640180, 10088460270, 20176920540]

約数ペア:

[(1, 20176920540), (2, 10088460270), (3, 6725640180), (4, 5044230135), (5, 4035384108), (6, 3362820090), (7, 2882417220), (9, 2241880060), (10, 2017692054), (12, 1681410045), (14, 1441208610), (15, 1345128036), (18, 1120940030), (20, 1008846027), (21, 960805740), (28, 720604305), (30, 672564018), (35, 576483444), (36, 560470015), (42, 480402870), (45, 448376012), (60, 336282009), (63, 320268580), (70, 288241722), (84, 240201435), (90, 224188006), (105, 192161148), (126, 160134290), (140, 144120861), (180, 112094003), (210, 96080574), (252, 80067145), (315, 64053716), (420, 48040287), (630, 32026858), (1249, 16154460), (1260, 16013429), (2498, 8077230), (3747, 5384820), (4996, 4038615), (6245, 3230892), (7494, 2692410), (8743, 2307780), (11241, 1794940), (12490, 1615446), (12821, 1573740), (14988, 1346205), (17486, 1153890), (18735, 1076964), (22482, 897470), (24980, 807723), (25642, 786870), (26229, 769260), (34972, 576945), (37470, 538482), (38463, 524580), (43715, 461556), (44964, 448735), (51284, 393435), (52458, 384630), (56205, 358988), (64105, 314748), (74940, 269241), (76926, 262290), (78687, 256420), (87430, 230778), (89747, 224820), (104916, 192315), (112410, 179494), (115389, 174860), (128210, 157374), (131145, 153852)]