72448120

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{577}}^1$

素因数の和:704

約数の個数: 64

約数和(自身を含む): 169377120

約数和(自身を除く): 96929000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 73, 86, 146, 172, 215, 292, 344, 365, 430, 577, 584, 730, 860, 1154, 1460, 1720, 2308, 2885, 2920, 3139, 4616, 5770, 6278, 11540, 12556, 15695, 23080, 24811, 25112, 31390, 42121, 49622, 62780, 84242, 99244, 124055, 125560, 168484, 198488, 210605, 248110, 336968, 421210, 496220, 842420, 992440, 1684840, 1811203, 3622406, 7244812, 9056015, 14489624, 18112030, 36224060, 72448120]

約数ペア:

[(1, 72448120), (2, 36224060), (4, 18112030), (5, 14489624), (8, 9056015), (10, 7244812), (20, 3622406), (40, 1811203), (43, 1684840), (73, 992440), (86, 842420), (146, 496220), (172, 421210), (215, 336968), (292, 248110), (344, 210605), (365, 198488), (430, 168484), (577, 125560), (584, 124055), (730, 99244), (860, 84242), (1154, 62780), (1460, 49622), (1720, 42121), (2308, 31390), (2885, 25112), (2920, 24811), (3139, 23080), (4616, 15695), (5770, 12556), (6278, 11540)]