311038980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:318

約数の個数: 192

約数和(自身を含む): 1032030720

約数和(自身を除く): 720991740

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 53, 60, 70, 84, 89, 105, 106, 140, 157, 159, 178, 210, 212, 265, 267, 314, 318, 356, 371, 420, 445, 471, 530, 534, 623, 628, 636, 742, 785, 795, 890, 942, 1060, 1068, 1099, 1113, 1246, 1335, 1484, 1570, 1590, 1780, 1855, 1869, 1884, 2198, 2226, 2355, 2492, 2670, 3115, 3140, 3180, 3297, 3710, 3738, 4396, 4452, 4710, 4717, 5340, 5495, 5565, 6230, 6594, 7420, 7476, 8321, 9345, 9420, 9434, 10990, 11130, 12460, 13188, 13973, 14151, 16485, 16642, 18690, 18868, 21980, 22260, 23585, 24963, 27946, 28302, 32970, 33019, 33284, 37380, 41605, 41919, 47170, 49926, 55892, 56604, 58247, 65940, 66038, 69865, 70755, 83210, 83838, 94340, 97811, 99057, 99852, 116494, 124815, 132076, 139730, 141510, 165095, 166420, 167676, 174741, 195622, 198114, 209595, 232988, 249630, 279460, 283020, 291235, 293433, 330190, 349482, 391244, 396228, 419190, 489055, 495285, 499260, 582470, 586866, 660380, 698964, 740569, 838380, 873705, 978110, 990570, 1164940, 1173732, 1467165, 1481138, 1747410, 1956220, 1981140, 2221707, 2934330, 2962276, 3494820, 3702845, 4443414, 5183983, 5868660, 7405690, 8886828, 10367966, 11108535, 14811380, 15551949, 20735932, 22217070, 25919915, 31103898, 44434140, 51839830, 62207796, 77759745, 103679660, 155519490, 311038980]

約数ペア:

[(1, 311038980), (2, 155519490), (3, 103679660), (4, 77759745), (5, 62207796), (6, 51839830), (7, 44434140), (10, 31103898), (12, 25919915), (14, 22217070), (15, 20735932), (20, 15551949), (21, 14811380), (28, 11108535), (30, 10367966), (35, 8886828), (42, 7405690), (53, 5868660), (60, 5183983), (70, 4443414), (84, 3702845), (89, 3494820), (105, 2962276), (106, 2934330), (140, 2221707), (157, 1981140), (159, 1956220), (178, 1747410), (210, 1481138), (212, 1467165), (265, 1173732), (267, 1164940), (314, 990570), (318, 978110), (356, 873705), (371, 838380), (420, 740569), (445, 698964), (471, 660380), (530, 586866), (534, 582470), (623, 499260), (628, 495285), (636, 489055), (742, 419190), (785, 396228), (795, 391244), (890, 349482), (942, 330190), (1060, 293433), (1068, 291235), (1099, 283020), (1113, 279460), (1246, 249630), (1335, 232988), (1484, 209595), (1570, 198114), (1590, 195622), (1780, 174741), (1855, 167676), (1869, 166420), (1884, 165095), (2198, 141510), (2226, 139730), (2355, 132076), (2492, 124815), (2670, 116494), (3115, 99852), (3140, 99057), (3180, 97811), (3297, 94340), (3710, 83838), (3738, 83210), (4396, 70755), (4452, 69865), (4710, 66038), (4717, 65940), (5340, 58247), (5495, 56604), (5565, 55892), (6230, 49926), (6594, 47170), (7420, 41919), (7476, 41605), (8321, 37380), (9345, 33284), (9420, 33019), (9434, 32970), (10990, 28302), (11130, 27946), (12460, 24963), (13188, 23585), (13973, 22260), (14151, 21980), (16485, 18868), (16642, 18690)]