90018180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{71443}}^1$

素因数の和:71465

約数の個数: 72

約数和(自身を含む): 312067392

約数和(自身を除く): 222049212

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 71443, 142886, 214329, 285772, 357215, 428658, 500101, 642987, 714430, 857316, 1000202, 1071645, 1285974, 1428860, 1500303, 2000404, 2143290, 2500505, 2571948, 3000606, 3214935, 4286580, 4500909, 5001010, 6001212, 6429870, 7501515, 9001818, 10002020, 12859740, 15003030, 18003636, 22504545, 30006060, 45009090, 90018180]

約数ペア:

[(1, 90018180), (2, 45009090), (3, 30006060), (4, 22504545), (5, 18003636), (6, 15003030), (7, 12859740), (9, 10002020), (10, 9001818), (12, 7501515), (14, 6429870), (15, 6001212), (18, 5001010), (20, 4500909), (21, 4286580), (28, 3214935), (30, 3000606), (35, 2571948), (36, 2500505), (42, 2143290), (45, 2000404), (60, 1500303), (63, 1428860), (70, 1285974), (84, 1071645), (90, 1000202), (105, 857316), (126, 714430), (140, 642987), (180, 500101), (210, 428658), (252, 357215), (315, 285772), (420, 214329), (630, 142886), (1260, 71443)]