213418880

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^2\times {\mathrm{347}}^1$

素因数の和:428

約数の個数: 96

約数和(自身を含む): 528712920

約数和(自身を除く): 315294040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 347, 496, 620, 640, 694, 961, 992, 1240, 1388, 1735, 1922, 1984, 2480, 2776, 3470, 3844, 3968, 4805, 4960, 5552, 6940, 7688, 9610, 9920, 10757, 11104, 13880, 15376, 19220, 19840, 21514, 22208, 27760, 30752, 38440, 43028, 44416, 53785, 55520, 61504, 76880, 86056, 107570, 111040, 123008, 153760, 172112, 215140, 222080, 307520, 333467, 344224, 430280, 615040, 666934, 688448, 860560, 1333868, 1376896, 1667335, 1721120, 2667736, 3334670, 3442240, 5335472, 6669340, 6884480, 10670944, 13338680, 21341888, 26677360, 42683776, 53354720, 106709440, 213418880]

約数ペア:

[(1, 213418880), (2, 106709440), (4, 53354720), (5, 42683776), (8, 26677360), (10, 21341888), (16, 13338680), (20, 10670944), (31, 6884480), (32, 6669340), (40, 5335472), (62, 3442240), (64, 3334670), (80, 2667736), (124, 1721120), (128, 1667335), (155, 1376896), (160, 1333868), (248, 860560), (310, 688448), (320, 666934), (347, 615040), (496, 430280), (620, 344224), (640, 333467), (694, 307520), (961, 222080), (992, 215140), (1240, 172112), (1388, 153760), (1735, 123008), (1922, 111040), (1984, 107570), (2480, 86056), (2776, 76880), (3470, 61504), (3844, 55520), (3968, 53785), (4805, 44416), (4960, 43028), (5552, 38440), (6940, 30752), (7688, 27760), (9610, 22208), (9920, 21514), (10757, 19840), (11104, 19220), (13880, 15376)]