180098720

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59243}}^1$

素因数の和:59277

約数の個数: 48

約数和(自身を含む): 447884640

約数和(自身を除く): 267785920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 59243, 118486, 236972, 296215, 473944, 592430, 947888, 1125617, 1184860, 1895776, 2251234, 2369720, 4502468, 4739440, 5628085, 9004936, 9478880, 11256170, 18009872, 22512340, 36019744, 45024680, 90049360, 180098720]

約数ペア:

[(1, 180098720), (2, 90049360), (4, 45024680), (5, 36019744), (8, 22512340), (10, 18009872), (16, 11256170), (19, 9478880), (20, 9004936), (32, 5628085), (38, 4739440), (40, 4502468), (76, 2369720), (80, 2251234), (95, 1895776), (152, 1184860), (160, 1125617), (190, 947888), (304, 592430), (380, 473944), (608, 296215), (760, 236972), (1520, 118486), (3040, 59243)]