279228160

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^2\times {\mathrm{227}}^1$

素因数の和:310

約数の個数: 108

約数和(自身を含む): 694154664

約数和(自身を除く): 414926504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 227, 248, 256, 310, 320, 454, 496, 620, 640, 908, 961, 992, 1135, 1240, 1280, 1816, 1922, 1984, 2270, 2480, 3632, 3844, 3968, 4540, 4805, 4960, 7037, 7264, 7688, 7936, 9080, 9610, 9920, 14074, 14528, 15376, 18160, 19220, 19840, 28148, 29056, 30752, 35185, 36320, 38440, 39680, 56296, 58112, 61504, 70370, 72640, 76880, 112592, 123008, 140740, 145280, 153760, 218147, 225184, 246016, 281480, 290560, 307520, 436294, 450368, 562960, 615040, 872588, 900736, 1090735, 1125920, 1230080, 1745176, 1801472, 2181470, 2251840, 3490352, 4362940, 4503680, 6980704, 8725880, 9007360, 13961408, 17451760, 27922816, 34903520, 55845632, 69807040, 139614080, 279228160]

約数ペア:

[(1, 279228160), (2, 139614080), (4, 69807040), (5, 55845632), (8, 34903520), (10, 27922816), (16, 17451760), (20, 13961408), (31, 9007360), (32, 8725880), (40, 6980704), (62, 4503680), (64, 4362940), (80, 3490352), (124, 2251840), (128, 2181470), (155, 1801472), (160, 1745176), (227, 1230080), (248, 1125920), (256, 1090735), (310, 900736), (320, 872588), (454, 615040), (496, 562960), (620, 450368), (640, 436294), (908, 307520), (961, 290560), (992, 281480), (1135, 246016), (1240, 225184), (1280, 218147), (1816, 153760), (1922, 145280), (1984, 140740), (2270, 123008), (2480, 112592), (3632, 76880), (3844, 72640), (3968, 70370), (4540, 61504), (4805, 58112), (4960, 56296), (7037, 39680), (7264, 38440), (7688, 36320), (7936, 35185), (9080, 30752), (9610, 29056), (9920, 28148), (14074, 19840), (14528, 19220), (15376, 18160)]