68630640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21997}}^1$

素因数の和:22026

約数の個数: 80

約数和(自身を含む): 229131168

約数和(自身を除く): 160500528

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 21997, 43994, 65991, 87988, 109985, 131982, 175976, 219970, 263964, 285961, 329955, 351952, 439940, 527928, 571922, 659910, 857883, 879880, 1055856, 1143844, 1319820, 1429805, 1715766, 1759760, 2287688, 2639640, 2859610, 3431532, 4289415, 4575376, 5279280, 5719220, 6863064, 8578830, 11438440, 13726128, 17157660, 22876880, 34315320, 68630640]

約数ペア:

[(1, 68630640), (2, 34315320), (3, 22876880), (4, 17157660), (5, 13726128), (6, 11438440), (8, 8578830), (10, 6863064), (12, 5719220), (13, 5279280), (15, 4575376), (16, 4289415), (20, 3431532), (24, 2859610), (26, 2639640), (30, 2287688), (39, 1759760), (40, 1715766), (48, 1429805), (52, 1319820), (60, 1143844), (65, 1055856), (78, 879880), (80, 857883), (104, 659910), (120, 571922), (130, 527928), (156, 439940), (195, 351952), (208, 329955), (240, 285961), (260, 263964), (312, 219970), (390, 175976), (520, 131982), (624, 109985), (780, 87988), (1040, 65991), (1560, 43994), (3120, 21997)]