278610880

素因数分解:

$2^6\times 5^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1$

素因数の和:306

約数の個数: 112

約数和(自身を含む): 684702720

約数和(自身を除く): 406091840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 103, 107, 158, 160, 206, 214, 316, 320, 395, 412, 428, 515, 535, 632, 790, 824, 856, 1030, 1070, 1264, 1580, 1648, 1712, 2060, 2140, 2528, 3160, 3296, 3424, 4120, 4280, 5056, 6320, 6592, 6848, 8137, 8240, 8453, 8560, 11021, 12640, 16274, 16480, 16906, 17120, 22042, 25280, 32548, 32960, 33812, 34240, 40685, 42265, 44084, 55105, 65096, 67624, 81370, 84530, 88168, 110210, 130192, 135248, 162740, 169060, 176336, 220420, 260384, 270496, 325480, 338120, 352672, 440840, 520768, 540992, 650960, 676240, 705344, 870659, 881680, 1301920, 1352480, 1741318, 1763360, 2603840, 2704960, 3482636, 3526720, 4353295, 6965272, 8706590, 13930544, 17413180, 27861088, 34826360, 55722176, 69652720, 139305440, 278610880]

約数ペア:

[(1, 278610880), (2, 139305440), (4, 69652720), (5, 55722176), (8, 34826360), (10, 27861088), (16, 17413180), (20, 13930544), (32, 8706590), (40, 6965272), (64, 4353295), (79, 3526720), (80, 3482636), (103, 2704960), (107, 2603840), (158, 1763360), (160, 1741318), (206, 1352480), (214, 1301920), (316, 881680), (320, 870659), (395, 705344), (412, 676240), (428, 650960), (515, 540992), (535, 520768), (632, 440840), (790, 352672), (824, 338120), (856, 325480), (1030, 270496), (1070, 260384), (1264, 220420), (1580, 176336), (1648, 169060), (1712, 162740), (2060, 135248), (2140, 130192), (2528, 110210), (3160, 88168), (3296, 84530), (3424, 81370), (4120, 67624), (4280, 65096), (5056, 55105), (6320, 44084), (6592, 42265), (6848, 40685), (8137, 34240), (8240, 33812), (8453, 32960), (8560, 32548), (11021, 25280), (12640, 22042), (16274, 17120), (16480, 16906)]