420514640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1229}}^1$

素因数の和:1309

約数の個数: 160

約数和(自身を含む): 1229921280

約数和(自身を除く): 809406640

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 47, 52, 56, 65, 70, 80, 91, 94, 104, 112, 130, 140, 182, 188, 208, 235, 260, 280, 329, 364, 376, 455, 470, 520, 560, 611, 658, 728, 752, 910, 940, 1040, 1222, 1229, 1316, 1456, 1645, 1820, 1880, 2444, 2458, 2632, 3055, 3290, 3640, 3760, 4277, 4888, 4916, 5264, 6110, 6145, 6580, 7280, 8554, 8603, 9776, 9832, 12220, 12290, 13160, 15977, 17108, 17206, 19664, 21385, 24440, 24580, 26320, 31954, 34216, 34412, 42770, 43015, 48880, 49160, 57763, 63908, 68432, 68824, 79885, 85540, 86030, 98320, 111839, 115526, 127816, 137648, 159770, 171080, 172060, 223678, 231052, 255632, 288815, 319540, 342160, 344120, 404341, 447356, 462104, 559195, 577630, 639080, 688240, 750919, 808682, 894712, 924208, 1118390, 1155260, 1278160, 1501838, 1617364, 1789424, 2021705, 2236780, 2310520, 3003676, 3234728, 3754595, 4043410, 4473560, 4621040, 5256433, 6007352, 6469456, 7509190, 8086820, 8947120, 10512866, 12014704, 15018380, 16173640, 21025732, 26282165, 30036760, 32347280, 42051464, 52564330, 60073520, 84102928, 105128660, 210257320, 420514640]

約数ペア:

[(1, 420514640), (2, 210257320), (4, 105128660), (5, 84102928), (7, 60073520), (8, 52564330), (10, 42051464), (13, 32347280), (14, 30036760), (16, 26282165), (20, 21025732), (26, 16173640), (28, 15018380), (35, 12014704), (40, 10512866), (47, 8947120), (52, 8086820), (56, 7509190), (65, 6469456), (70, 6007352), (80, 5256433), (91, 4621040), (94, 4473560), (104, 4043410), (112, 3754595), (130, 3234728), (140, 3003676), (182, 2310520), (188, 2236780), (208, 2021705), (235, 1789424), (260, 1617364), (280, 1501838), (329, 1278160), (364, 1155260), (376, 1118390), (455, 924208), (470, 894712), (520, 808682), (560, 750919), (611, 688240), (658, 639080), (728, 577630), (752, 559195), (910, 462104), (940, 447356), (1040, 404341), (1222, 344120), (1229, 342160), (1316, 319540), (1456, 288815), (1645, 255632), (1820, 231052), (1880, 223678), (2444, 172060), (2458, 171080), (2632, 159770), (3055, 137648), (3290, 127816), (3640, 115526), (3760, 111839), (4277, 98320), (4888, 86030), (4916, 85540), (5264, 79885), (6110, 68824), (6145, 68432), (6580, 63908), (7280, 57763), (8554, 49160), (8603, 48880), (9776, 43015), (9832, 42770), (12220, 34412), (12290, 34216), (13160, 31954), (15977, 26320), (17108, 24580), (17206, 24440), (19664, 21385)]