87430640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{1361}}^1$

素因数の和:1458

約数の個数: 80

約数和(自身を含む): 224958816

約数和(自身を除く): 137528176

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 73, 80, 88, 110, 146, 176, 220, 292, 365, 440, 584, 730, 803, 880, 1168, 1361, 1460, 1606, 2722, 2920, 3212, 4015, 5444, 5840, 6424, 6805, 8030, 10888, 12848, 13610, 14971, 16060, 21776, 27220, 29942, 32120, 54440, 59884, 64240, 74855, 99353, 108880, 119768, 149710, 198706, 239536, 299420, 397412, 496765, 598840, 794824, 993530, 1092883, 1197680, 1589648, 1987060, 2185766, 3974120, 4371532, 5464415, 7948240, 8743064, 10928830, 17486128, 21857660, 43715320, 87430640]

約数ペア:

[(1, 87430640), (2, 43715320), (4, 21857660), (5, 17486128), (8, 10928830), (10, 8743064), (11, 7948240), (16, 5464415), (20, 4371532), (22, 3974120), (40, 2185766), (44, 1987060), (55, 1589648), (73, 1197680), (80, 1092883), (88, 993530), (110, 794824), (146, 598840), (176, 496765), (220, 397412), (292, 299420), (365, 239536), (440, 198706), (584, 149710), (730, 119768), (803, 108880), (880, 99353), (1168, 74855), (1361, 64240), (1460, 59884), (1606, 54440), (2722, 32120), (2920, 29942), (3212, 27220), (4015, 21776), (5444, 16060), (5840, 14971), (6424, 13610), (6805, 12848), (8030, 10888)]