218455440

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{7649}}^1$

素因数の和:7689

約数の個数: 160

約数和(自身を含む): 819590400

約数和(自身を除く): 601134960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 17, 20, 21, 24, 28, 30, 34, 35, 40, 42, 48, 51, 56, 60, 68, 70, 80, 84, 85, 102, 105, 112, 119, 120, 136, 140, 168, 170, 204, 210, 238, 240, 255, 272, 280, 336, 340, 357, 408, 420, 476, 510, 560, 595, 680, 714, 816, 840, 952, 1020, 1190, 1360, 1428, 1680, 1785, 1904, 2040, 2380, 2856, 3570, 4080, 4760, 5712, 7140, 7649, 9520, 14280, 15298, 22947, 28560, 30596, 38245, 45894, 53543, 61192, 76490, 91788, 107086, 114735, 122384, 130033, 152980, 160629, 183576, 214172, 229470, 260066, 267715, 305960, 321258, 367152, 390099, 428344, 458940, 520132, 535430, 611920, 642516, 650165, 780198, 803145, 856688, 910231, 917880, 1040264, 1070860, 1285032, 1300330, 1560396, 1606290, 1820462, 1835760, 1950495, 2080528, 2141720, 2570064, 2600660, 2730693, 3120792, 3212580, 3640924, 3900990, 4283440, 4551155, 5201320, 5461386, 6241584, 6425160, 7281848, 7801980, 9102310, 10402640, 10922772, 12850320, 13653465, 14563696, 15603960, 18204620, 21845544, 27306930, 31207920, 36409240, 43691088, 54613860, 72818480, 109227720, 218455440]

約数ペア:

[(1, 218455440), (2, 109227720), (3, 72818480), (4, 54613860), (5, 43691088), (6, 36409240), (7, 31207920), (8, 27306930), (10, 21845544), (12, 18204620), (14, 15603960), (15, 14563696), (16, 13653465), (17, 12850320), (20, 10922772), (21, 10402640), (24, 9102310), (28, 7801980), (30, 7281848), (34, 6425160), (35, 6241584), (40, 5461386), (42, 5201320), (48, 4551155), (51, 4283440), (56, 3900990), (60, 3640924), (68, 3212580), (70, 3120792), (80, 2730693), (84, 2600660), (85, 2570064), (102, 2141720), (105, 2080528), (112, 1950495), (119, 1835760), (120, 1820462), (136, 1606290), (140, 1560396), (168, 1300330), (170, 1285032), (204, 1070860), (210, 1040264), (238, 917880), (240, 910231), (255, 856688), (272, 803145), (280, 780198), (336, 650165), (340, 642516), (357, 611920), (408, 535430), (420, 520132), (476, 458940), (510, 428344), (560, 390099), (595, 367152), (680, 321258), (714, 305960), (816, 267715), (840, 260066), (952, 229470), (1020, 214172), (1190, 183576), (1360, 160629), (1428, 152980), (1680, 130033), (1785, 122384), (1904, 114735), (2040, 107086), (2380, 91788), (2856, 76490), (3570, 61192), (4080, 53543), (4760, 45894), (5712, 38245), (7140, 30596), (7649, 28560), (9520, 22947), (14280, 15298)]