620123140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{227}}^1$

素因数の和:354

約数の個数: 192

約数和(自身を含む): 1716019200

約数和(自身を除く): 1095896060

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 26, 28, 35, 38, 52, 65, 70, 76, 79, 91, 95, 130, 133, 140, 158, 182, 190, 227, 247, 260, 266, 316, 364, 380, 395, 454, 455, 494, 532, 553, 665, 790, 908, 910, 988, 1027, 1106, 1135, 1235, 1330, 1501, 1580, 1589, 1729, 1820, 2054, 2212, 2270, 2470, 2660, 2765, 2951, 3002, 3178, 3458, 4108, 4313, 4540, 4940, 5135, 5530, 5902, 6004, 6356, 6916, 7189, 7505, 7945, 8626, 8645, 10270, 10507, 11060, 11804, 14378, 14755, 15010, 15890, 17252, 17290, 17933, 19513, 20540, 20657, 21014, 21565, 28756, 29510, 30020, 30191, 31780, 34580, 35866, 35945, 39026, 41314, 42028, 43130, 52535, 56069, 59020, 60382, 71732, 71890, 78052, 82628, 86260, 89665, 97565, 103285, 105070, 112138, 120764, 125531, 136591, 143780, 150955, 179330, 195130, 206570, 210140, 224276, 233129, 251062, 273182, 280345, 301910, 340727, 358660, 390260, 392483, 413140, 466258, 502124, 546364, 560690, 603820, 627655, 681454, 682955, 784966, 932516, 1121380, 1165645, 1255310, 1362908, 1365910, 1569932, 1631903, 1703635, 1962415, 2331290, 2385089, 2510620, 2731820, 3263806, 3407270, 3924830, 4429451, 4662580, 4770178, 6527612, 6814540, 7849660, 8159515, 8858902, 9540356, 11925445, 16319030, 17717804, 22147255, 23850890, 31006157, 32638060, 44294510, 47701780, 62012314, 88589020, 124024628, 155030785, 310061570, 620123140]

約数ペア:

[(1, 620123140), (2, 310061570), (4, 155030785), (5, 124024628), (7, 88589020), (10, 62012314), (13, 47701780), (14, 44294510), (19, 32638060), (20, 31006157), (26, 23850890), (28, 22147255), (35, 17717804), (38, 16319030), (52, 11925445), (65, 9540356), (70, 8858902), (76, 8159515), (79, 7849660), (91, 6814540), (95, 6527612), (130, 4770178), (133, 4662580), (140, 4429451), (158, 3924830), (182, 3407270), (190, 3263806), (227, 2731820), (247, 2510620), (260, 2385089), (266, 2331290), (316, 1962415), (364, 1703635), (380, 1631903), (395, 1569932), (454, 1365910), (455, 1362908), (494, 1255310), (532, 1165645), (553, 1121380), (665, 932516), (790, 784966), (908, 682955), (910, 681454), (988, 627655), (1027, 603820), (1106, 560690), (1135, 546364), (1235, 502124), (1330, 466258), (1501, 413140), (1580, 392483), (1589, 390260), (1729, 358660), (1820, 340727), (2054, 301910), (2212, 280345), (2270, 273182), (2470, 251062), (2660, 233129), (2765, 224276), (2951, 210140), (3002, 206570), (3178, 195130), (3458, 179330), (4108, 150955), (4313, 143780), (4540, 136591), (4940, 125531), (5135, 120764), (5530, 112138), (5902, 105070), (6004, 103285), (6356, 97565), (6916, 89665), (7189, 86260), (7505, 82628), (7945, 78052), (8626, 71890), (8645, 71732), (10270, 60382), (10507, 59020), (11060, 56069), (11804, 52535), (14378, 43130), (14755, 42028), (15010, 41314), (15890, 39026), (17252, 35945), (17290, 35866), (17933, 34580), (19513, 31780), (20540, 30191), (20657, 30020), (21014, 29510), (21565, 28756)]