123451020

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2969}}^1$

素因数の和:3005

約数の個数: 192

約数和(自身を含む): 479001600

約数和(自身を除く): 355550580

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 27, 28, 30, 33, 35, 36, 42, 44, 45, 54, 55, 60, 63, 66, 70, 77, 84, 90, 99, 105, 108, 110, 126, 132, 135, 140, 154, 165, 180, 189, 198, 210, 220, 231, 252, 270, 297, 308, 315, 330, 378, 385, 396, 420, 462, 495, 540, 594, 630, 660, 693, 756, 770, 924, 945, 990, 1155, 1188, 1260, 1386, 1485, 1540, 1890, 1980, 2079, 2310, 2772, 2969, 2970, 3465, 3780, 4158, 4620, 5938, 5940, 6930, 8316, 8907, 10395, 11876, 13860, 14845, 17814, 20783, 20790, 26721, 29690, 32659, 35628, 41566, 41580, 44535, 53442, 59380, 62349, 65318, 80163, 83132, 89070, 97977, 103915, 106884, 124698, 130636, 133605, 160326, 163295, 178140, 187047, 195954, 207830, 228613, 249396, 267210, 293931, 311745, 320652, 326590, 374094, 391908, 400815, 415660, 457226, 489885, 534420, 561141, 587862, 623490, 653180, 685839, 748188, 801630, 881793, 914452, 935235, 979770, 1122282, 1143065, 1175724, 1246980, 1371678, 1469655, 1603260, 1763586, 1870470, 1959540, 2057517, 2244564, 2286130, 2743356, 2805705, 2939310, 3429195, 3527172, 3740940, 4115034, 4408965, 4572260, 5611410, 5878620, 6172551, 6858390, 8230068, 8817930, 10287585, 11222820, 12345102, 13716780, 17635860, 20575170, 24690204, 30862755, 41150340, 61725510, 123451020]

約数ペア:

[(1, 123451020), (2, 61725510), (3, 41150340), (4, 30862755), (5, 24690204), (6, 20575170), (7, 17635860), (9, 13716780), (10, 12345102), (11, 11222820), (12, 10287585), (14, 8817930), (15, 8230068), (18, 6858390), (20, 6172551), (21, 5878620), (22, 5611410), (27, 4572260), (28, 4408965), (30, 4115034), (33, 3740940), (35, 3527172), (36, 3429195), (42, 2939310), (44, 2805705), (45, 2743356), (54, 2286130), (55, 2244564), (60, 2057517), (63, 1959540), (66, 1870470), (70, 1763586), (77, 1603260), (84, 1469655), (90, 1371678), (99, 1246980), (105, 1175724), (108, 1143065), (110, 1122282), (126, 979770), (132, 935235), (135, 914452), (140, 881793), (154, 801630), (165, 748188), (180, 685839), (189, 653180), (198, 623490), (210, 587862), (220, 561141), (231, 534420), (252, 489885), (270, 457226), (297, 415660), (308, 400815), (315, 391908), (330, 374094), (378, 326590), (385, 320652), (396, 311745), (420, 293931), (462, 267210), (495, 249396), (540, 228613), (594, 207830), (630, 195954), (660, 187047), (693, 178140), (756, 163295), (770, 160326), (924, 133605), (945, 130636), (990, 124698), (1155, 106884), (1188, 103915), (1260, 97977), (1386, 89070), (1485, 83132), (1540, 80163), (1890, 65318), (1980, 62349), (2079, 59380), (2310, 53442), (2772, 44535), (2969, 41580), (2970, 41566), (3465, 35628), (3780, 32659), (4158, 29690), (4620, 26721), (5938, 20790), (5940, 20783), (6930, 17814), (8316, 14845), (8907, 13860), (10395, 11876)]