1560407680

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{9871}}^1$

素因数の和:9922

約数の個数: 128

約数和(自身を含む): 4229164800

約数和(自身を除く): 2668757120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 64, 65, 76, 80, 95, 104, 128, 130, 152, 160, 190, 208, 247, 260, 304, 320, 380, 416, 494, 520, 608, 640, 760, 832, 988, 1040, 1216, 1235, 1520, 1664, 1976, 2080, 2432, 2470, 3040, 3952, 4160, 4940, 6080, 7904, 8320, 9871, 9880, 12160, 15808, 19742, 19760, 31616, 39484, 39520, 49355, 78968, 79040, 98710, 128323, 157936, 158080, 187549, 197420, 256646, 315872, 375098, 394840, 513292, 631744, 641615, 750196, 789680, 937745, 1026584, 1263488, 1283230, 1500392, 1579360, 1875490, 2053168, 2438137, 2566460, 3000784, 3158720, 3750980, 4106336, 4876274, 5132920, 6001568, 6317440, 7501960, 8212672, 9752548, 10265840, 12003136, 12190685, 15003920, 16425344, 19505096, 20531680, 24006272, 24381370, 30007840, 39010192, 41063360, 48762740, 60015680, 78020384, 82126720, 97525480, 120031360, 156040768, 195050960, 312081536, 390101920, 780203840, 1560407680]

約数ペア:

[(1, 1560407680), (2, 780203840), (4, 390101920), (5, 312081536), (8, 195050960), (10, 156040768), (13, 120031360), (16, 97525480), (19, 82126720), (20, 78020384), (26, 60015680), (32, 48762740), (38, 41063360), (40, 39010192), (52, 30007840), (64, 24381370), (65, 24006272), (76, 20531680), (80, 19505096), (95, 16425344), (104, 15003920), (128, 12190685), (130, 12003136), (152, 10265840), (160, 9752548), (190, 8212672), (208, 7501960), (247, 6317440), (260, 6001568), (304, 5132920), (320, 4876274), (380, 4106336), (416, 3750980), (494, 3158720), (520, 3000784), (608, 2566460), (640, 2438137), (760, 2053168), (832, 1875490), (988, 1579360), (1040, 1500392), (1216, 1283230), (1235, 1263488), (1520, 1026584), (1664, 937745), (1976, 789680), (2080, 750196), (2432, 641615), (2470, 631744), (3040, 513292), (3952, 394840), (4160, 375098), (4940, 315872), (6080, 256646), (7904, 197420), (8320, 187549), (9871, 158080), (9880, 157936), (12160, 128323), (15808, 98710), (19742, 79040), (19760, 78968), (31616, 49355), (39484, 39520)]