31453380

素因数分解:

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

素因数の和:235

約数の個数: 192

約数和(自身を含む): 114670080

約数和(自身を除く): 83216700

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 53, 54, 60, 63, 70, 84, 90, 105, 106, 108, 126, 135, 140, 157, 159, 180, 189, 210, 212, 252, 265, 270, 314, 315, 318, 371, 378, 420, 471, 477, 530, 540, 628, 630, 636, 742, 756, 785, 795, 942, 945, 954, 1060, 1099, 1113, 1260, 1413, 1431, 1484, 1570, 1590, 1855, 1884, 1890, 1908, 2198, 2226, 2355, 2385, 2826, 2862, 3140, 3180, 3297, 3339, 3710, 3780, 4239, 4396, 4452, 4710, 4770, 5495, 5565, 5652, 5724, 6594, 6678, 7065, 7155, 7420, 8321, 8478, 9420, 9540, 9891, 10017, 10990, 11130, 13188, 13356, 14130, 14310, 16485, 16642, 16695, 16956, 19782, 20034, 21195, 21980, 22260, 24963, 28260, 28620, 29673, 32970, 33284, 33390, 39564, 40068, 41605, 42390, 49455, 49926, 50085, 58247, 59346, 65940, 66780, 74889, 83210, 84780, 98910, 99852, 100170, 116494, 118692, 124815, 148365, 149778, 166420, 174741, 197820, 200340, 224667, 232988, 249630, 291235, 296730, 299556, 349482, 374445, 449334, 499260, 524223, 582470, 593460, 698964, 748890, 873705, 898668, 1048446, 1123335, 1164940, 1497780, 1572669, 1747410, 2096892, 2246670, 2621115, 3145338, 3494820, 4493340, 5242230, 6290676, 7863345, 10484460, 15726690, 31453380]

約数ペア:

[(1, 31453380), (2, 15726690), (3, 10484460), (4, 7863345), (5, 6290676), (6, 5242230), (7, 4493340), (9, 3494820), (10, 3145338), (12, 2621115), (14, 2246670), (15, 2096892), (18, 1747410), (20, 1572669), (21, 1497780), (27, 1164940), (28, 1123335), (30, 1048446), (35, 898668), (36, 873705), (42, 748890), (45, 698964), (53, 593460), (54, 582470), (60, 524223), (63, 499260), (70, 449334), (84, 374445), (90, 349482), (105, 299556), (106, 296730), (108, 291235), (126, 249630), (135, 232988), (140, 224667), (157, 200340), (159, 197820), (180, 174741), (189, 166420), (210, 149778), (212, 148365), (252, 124815), (265, 118692), (270, 116494), (314, 100170), (315, 99852), (318, 98910), (371, 84780), (378, 83210), (420, 74889), (471, 66780), (477, 65940), (530, 59346), (540, 58247), (628, 50085), (630, 49926), (636, 49455), (742, 42390), (756, 41605), (785, 40068), (795, 39564), (942, 33390), (945, 33284), (954, 32970), (1060, 29673), (1099, 28620), (1113, 28260), (1260, 24963), (1413, 22260), (1431, 21980), (1484, 21195), (1570, 20034), (1590, 19782), (1855, 16956), (1884, 16695), (1890, 16642), (1908, 16485), (2198, 14310), (2226, 14130), (2355, 13356), (2385, 13188), (2826, 11130), (2862, 10990), (3140, 10017), (3180, 9891), (3297, 9540), (3339, 9420), (3710, 8478), (3780, 8321), (4239, 7420), (4396, 7155), (4452, 7065), (4710, 6678), (4770, 6594), (5495, 5724), (5565, 5652)]