72376640

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{409}}^1$

素因数の和:512

約数の個数: 112

約数和(自身を含む): 199948800

約数和(自身を除く): 127572160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 79, 80, 112, 140, 158, 160, 224, 280, 316, 320, 395, 409, 448, 553, 560, 632, 790, 818, 1106, 1120, 1264, 1580, 1636, 2045, 2212, 2240, 2528, 2765, 2863, 3160, 3272, 4090, 4424, 5056, 5530, 5726, 6320, 6544, 8180, 8848, 11060, 11452, 12640, 13088, 14315, 16360, 17696, 22120, 22904, 25280, 26176, 28630, 32311, 32720, 35392, 44240, 45808, 57260, 64622, 65440, 88480, 91616, 114520, 129244, 130880, 161555, 176960, 183232, 226177, 229040, 258488, 323110, 452354, 458080, 516976, 646220, 904708, 916160, 1033952, 1130885, 1292440, 1809416, 2067904, 2261770, 2584880, 3618832, 4523540, 5169760, 7237664, 9047080, 10339520, 14475328, 18094160, 36188320, 72376640]

約数ペア:

[(1, 72376640), (2, 36188320), (4, 18094160), (5, 14475328), (7, 10339520), (8, 9047080), (10, 7237664), (14, 5169760), (16, 4523540), (20, 3618832), (28, 2584880), (32, 2261770), (35, 2067904), (40, 1809416), (56, 1292440), (64, 1130885), (70, 1033952), (79, 916160), (80, 904708), (112, 646220), (140, 516976), (158, 458080), (160, 452354), (224, 323110), (280, 258488), (316, 229040), (320, 226177), (395, 183232), (409, 176960), (448, 161555), (553, 130880), (560, 129244), (632, 114520), (790, 91616), (818, 88480), (1106, 65440), (1120, 64622), (1264, 57260), (1580, 45808), (1636, 44240), (2045, 35392), (2212, 32720), (2240, 32311), (2528, 28630), (2765, 26176), (2863, 25280), (3160, 22904), (3272, 22120), (4090, 17696), (4424, 16360), (5056, 14315), (5530, 13088), (5726, 12640), (6320, 11452), (6544, 11060), (8180, 8848)]