287443520

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{9871}}^1$

素因数の和:9908

約数の個数: 112

約数和(自身を含む): 842515968

約数和(自身を除く): 555072448

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 130, 140, 160, 182, 208, 224, 260, 280, 320, 364, 416, 448, 455, 520, 560, 728, 832, 910, 1040, 1120, 1456, 1820, 2080, 2240, 2912, 3640, 4160, 5824, 7280, 9871, 14560, 19742, 29120, 39484, 49355, 69097, 78968, 98710, 128323, 138194, 157936, 197420, 256646, 276388, 315872, 345485, 394840, 513292, 552776, 631744, 641615, 690970, 789680, 898261, 1026584, 1105552, 1283230, 1381940, 1579360, 1796522, 2053168, 2211104, 2566460, 2763880, 3158720, 3593044, 4106336, 4422208, 4491305, 5132920, 5527760, 7186088, 8212672, 8982610, 10265840, 11055520, 14372176, 17965220, 20531680, 22111040, 28744352, 35930440, 41063360, 57488704, 71860880, 143721760, 287443520]

約数ペア:

[(1, 287443520), (2, 143721760), (4, 71860880), (5, 57488704), (7, 41063360), (8, 35930440), (10, 28744352), (13, 22111040), (14, 20531680), (16, 17965220), (20, 14372176), (26, 11055520), (28, 10265840), (32, 8982610), (35, 8212672), (40, 7186088), (52, 5527760), (56, 5132920), (64, 4491305), (65, 4422208), (70, 4106336), (80, 3593044), (91, 3158720), (104, 2763880), (112, 2566460), (130, 2211104), (140, 2053168), (160, 1796522), (182, 1579360), (208, 1381940), (224, 1283230), (260, 1105552), (280, 1026584), (320, 898261), (364, 789680), (416, 690970), (448, 641615), (455, 631744), (520, 552776), (560, 513292), (728, 394840), (832, 345485), (910, 315872), (1040, 276388), (1120, 256646), (1456, 197420), (1820, 157936), (2080, 138194), (2240, 128323), (2912, 98710), (3640, 78968), (4160, 69097), (5824, 49355), (7280, 39484), (9871, 29120), (14560, 19742)]