254680380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{271}}^1$

素因数の和:536

約数の個数: 144

約数和(自身を含む): 812657664

約数和(自身を除く): 557977284

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 227, 230, 271, 276, 345, 414, 454, 460, 542, 681, 690, 813, 828, 908, 1035, 1084, 1135, 1355, 1362, 1380, 1626, 2043, 2070, 2270, 2439, 2710, 2724, 3252, 3405, 4065, 4086, 4140, 4540, 4878, 5221, 5420, 6233, 6810, 8130, 8172, 9756, 10215, 10442, 12195, 12466, 13620, 15663, 16260, 18699, 20430, 20884, 24390, 24932, 26105, 31165, 31326, 37398, 40860, 46989, 48780, 52210, 56097, 61517, 62330, 62652, 74796, 78315, 93495, 93978, 104420, 112194, 123034, 124660, 156630, 184551, 186990, 187956, 224388, 234945, 246068, 280485, 307585, 313260, 369102, 373980, 469890, 553653, 560970, 615170, 738204, 922755, 939780, 1107306, 1121940, 1230340, 1414891, 1845510, 2214612, 2768265, 2829782, 3691020, 4244673, 5536530, 5659564, 7074455, 8489346, 11073060, 12734019, 14148910, 16978692, 21223365, 25468038, 28297820, 42446730, 50936076, 63670095, 84893460, 127340190, 254680380]

約数ペア:

[(1, 254680380), (2, 127340190), (3, 84893460), (4, 63670095), (5, 50936076), (6, 42446730), (9, 28297820), (10, 25468038), (12, 21223365), (15, 16978692), (18, 14148910), (20, 12734019), (23, 11073060), (30, 8489346), (36, 7074455), (45, 5659564), (46, 5536530), (60, 4244673), (69, 3691020), (90, 2829782), (92, 2768265), (115, 2214612), (138, 1845510), (180, 1414891), (207, 1230340), (227, 1121940), (230, 1107306), (271, 939780), (276, 922755), (345, 738204), (414, 615170), (454, 560970), (460, 553653), (542, 469890), (681, 373980), (690, 369102), (813, 313260), (828, 307585), (908, 280485), (1035, 246068), (1084, 234945), (1135, 224388), (1355, 187956), (1362, 186990), (1380, 184551), (1626, 156630), (2043, 124660), (2070, 123034), (2270, 112194), (2439, 104420), (2710, 93978), (2724, 93495), (3252, 78315), (3405, 74796), (4065, 62652), (4086, 62330), (4140, 61517), (4540, 56097), (4878, 52210), (5221, 48780), (5420, 46989), (6233, 40860), (6810, 37398), (8130, 31326), (8172, 31165), (9756, 26105), (10215, 24932), (10442, 24390), (12195, 20884), (12466, 20430), (13620, 18699), (15663, 16260)]