280896390

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{5281}}^1$

素因数の和:5494

約数の個数: 64

約数和(自身を含む): 753001920

約数和(自身を除く): 472105530

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 197, 270, 394, 591, 985, 1182, 1773, 1970, 2955, 3546, 5281, 5319, 5910, 8865, 10562, 10638, 15843, 17730, 26405, 26595, 31686, 47529, 52810, 53190, 79215, 95058, 142587, 158430, 237645, 285174, 475290, 712935, 1040357, 1425870, 2080714, 3121071, 5201785, 6242142, 9363213, 10403570, 15605355, 18726426, 28089639, 31210710, 46816065, 56179278, 93632130, 140448195, 280896390]

約数ペア:

[(1, 280896390), (2, 140448195), (3, 93632130), (5, 56179278), (6, 46816065), (9, 31210710), (10, 28089639), (15, 18726426), (18, 15605355), (27, 10403570), (30, 9363213), (45, 6242142), (54, 5201785), (90, 3121071), (135, 2080714), (197, 1425870), (270, 1040357), (394, 712935), (591, 475290), (985, 285174), (1182, 237645), (1773, 158430), (1970, 142587), (2955, 95058), (3546, 79215), (5281, 53190), (5319, 52810), (5910, 47529), (8865, 31686), (10562, 26595), (10638, 26405), (15843, 17730)]