81118560

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{9941}}^1$

素因数の和:9976

約数の個数: 96

約数和(自身を含む): 270581472

約数和(自身を除く): 189462912

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 68, 80, 85, 96, 102, 120, 136, 160, 170, 204, 240, 255, 272, 340, 408, 480, 510, 544, 680, 816, 1020, 1360, 1632, 2040, 2720, 4080, 8160, 9941, 19882, 29823, 39764, 49705, 59646, 79528, 99410, 119292, 149115, 159056, 168997, 198820, 238584, 298230, 318112, 337994, 397640, 477168, 506991, 596460, 675988, 795280, 844985, 954336, 1013982, 1192920, 1351976, 1590560, 1689970, 2027964, 2385840, 2534955, 2703952, 3379940, 4055928, 4771680, 5069910, 5407904, 6759880, 8111856, 10139820, 13519760, 16223712, 20279640, 27039520, 40559280, 81118560]

約数ペア:

[(1, 81118560), (2, 40559280), (3, 27039520), (4, 20279640), (5, 16223712), (6, 13519760), (8, 10139820), (10, 8111856), (12, 6759880), (15, 5407904), (16, 5069910), (17, 4771680), (20, 4055928), (24, 3379940), (30, 2703952), (32, 2534955), (34, 2385840), (40, 2027964), (48, 1689970), (51, 1590560), (60, 1351976), (68, 1192920), (80, 1013982), (85, 954336), (96, 844985), (102, 795280), (120, 675988), (136, 596460), (160, 506991), (170, 477168), (204, 397640), (240, 337994), (255, 318112), (272, 298230), (340, 238584), (408, 198820), (480, 168997), (510, 159056), (544, 149115), (680, 119292), (816, 99410), (1020, 79528), (1360, 59646), (1632, 49705), (2040, 39764), (2720, 29823), (4080, 19882), (8160, 9941)]