201518520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{1889}}^1$

素因数の和:2037

約数の個数: 128

約数和(自身を含む): 696729600

約数和(自身を除く): 495211080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 127, 140, 168, 210, 254, 280, 381, 420, 508, 635, 762, 840, 889, 1016, 1270, 1524, 1778, 1889, 1905, 2540, 2667, 3048, 3556, 3778, 3810, 4445, 5080, 5334, 5667, 7112, 7556, 7620, 8890, 9445, 10668, 11334, 13223, 13335, 15112, 15240, 17780, 18890, 21336, 22668, 26446, 26670, 28335, 35560, 37780, 39669, 45336, 52892, 53340, 56670, 66115, 75560, 79338, 105784, 106680, 113340, 132230, 158676, 198345, 226680, 239903, 264460, 317352, 396690, 479806, 528920, 719709, 793380, 959612, 1199515, 1439418, 1586760, 1679321, 1919224, 2399030, 2878836, 3358642, 3598545, 4798060, 5037963, 5757672, 6717284, 7197090, 8396605, 9596120, 10075926, 13434568, 14394180, 16793210, 20151852, 25189815, 28788360, 33586420, 40303704, 50379630, 67172840, 100759260, 201518520]

約数ペア:

[(1, 201518520), (2, 100759260), (3, 67172840), (4, 50379630), (5, 40303704), (6, 33586420), (7, 28788360), (8, 25189815), (10, 20151852), (12, 16793210), (14, 14394180), (15, 13434568), (20, 10075926), (21, 9596120), (24, 8396605), (28, 7197090), (30, 6717284), (35, 5757672), (40, 5037963), (42, 4798060), (56, 3598545), (60, 3358642), (70, 2878836), (84, 2399030), (105, 1919224), (120, 1679321), (127, 1586760), (140, 1439418), (168, 1199515), (210, 959612), (254, 793380), (280, 719709), (381, 528920), (420, 479806), (508, 396690), (635, 317352), (762, 264460), (840, 239903), (889, 226680), (1016, 198345), (1270, 158676), (1524, 132230), (1778, 113340), (1889, 106680), (1905, 105784), (2540, 79338), (2667, 75560), (3048, 66115), (3556, 56670), (3778, 53340), (3810, 52892), (4445, 45336), (5080, 39669), (5334, 37780), (5667, 35560), (7112, 28335), (7556, 26670), (7620, 26446), (8890, 22668), (9445, 21336), (10668, 18890), (11334, 17780), (13223, 15240), (13335, 15112)]