28407120

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{457}}^1$

素因数の和:517

約数の個数: 160

約数和(自身を含む): 103588608

約数和(自身を除く): 75181488

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 37, 40, 42, 48, 56, 60, 70, 74, 80, 84, 105, 111, 112, 120, 140, 148, 168, 185, 210, 222, 240, 259, 280, 296, 336, 370, 420, 444, 457, 518, 555, 560, 592, 740, 777, 840, 888, 914, 1036, 1110, 1295, 1371, 1480, 1554, 1680, 1776, 1828, 2072, 2220, 2285, 2590, 2742, 2960, 3108, 3199, 3656, 3885, 4144, 4440, 4570, 5180, 5484, 6216, 6398, 6855, 7312, 7770, 8880, 9140, 9597, 10360, 10968, 12432, 12796, 13710, 15540, 15995, 16909, 18280, 19194, 20720, 21936, 25592, 27420, 31080, 31990, 33818, 36560, 38388, 47985, 50727, 51184, 54840, 62160, 63980, 67636, 76776, 84545, 95970, 101454, 109680, 118363, 127960, 135272, 153552, 169090, 191940, 202908, 236726, 253635, 255920, 270544, 338180, 355089, 383880, 405816, 473452, 507270, 591815, 676360, 710178, 767760, 811632, 946904, 1014540, 1183630, 1352720, 1420356, 1775445, 1893808, 2029080, 2367260, 2840712, 3550890, 4058160, 4734520, 5681424, 7101780, 9469040, 14203560, 28407120]

約数ペア:

[(1, 28407120), (2, 14203560), (3, 9469040), (4, 7101780), (5, 5681424), (6, 4734520), (7, 4058160), (8, 3550890), (10, 2840712), (12, 2367260), (14, 2029080), (15, 1893808), (16, 1775445), (20, 1420356), (21, 1352720), (24, 1183630), (28, 1014540), (30, 946904), (35, 811632), (37, 767760), (40, 710178), (42, 676360), (48, 591815), (56, 507270), (60, 473452), (70, 405816), (74, 383880), (80, 355089), (84, 338180), (105, 270544), (111, 255920), (112, 253635), (120, 236726), (140, 202908), (148, 191940), (168, 169090), (185, 153552), (210, 135272), (222, 127960), (240, 118363), (259, 109680), (280, 101454), (296, 95970), (336, 84545), (370, 76776), (420, 67636), (444, 63980), (457, 62160), (518, 54840), (555, 51184), (560, 50727), (592, 47985), (740, 38388), (777, 36560), (840, 33818), (888, 31990), (914, 31080), (1036, 27420), (1110, 25592), (1295, 21936), (1371, 20720), (1480, 19194), (1554, 18280), (1680, 16909), (1776, 15995), (1828, 15540), (2072, 13710), (2220, 12796), (2285, 12432), (2590, 10968), (2742, 10360), (2960, 9597), (3108, 9140), (3199, 8880), (3656, 7770), (3885, 7312), (4144, 6855), (4440, 6398), (4570, 6216), (5180, 5484)]