55357320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{647}}^1$

素因数の和:715

約数の個数: 128

約数和(自身を含む): 179159040

約数和(自身を除く): 123801720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 31, 40, 46, 60, 62, 69, 92, 93, 115, 120, 124, 138, 155, 184, 186, 230, 248, 276, 310, 345, 372, 460, 465, 552, 620, 647, 690, 713, 744, 920, 930, 1240, 1294, 1380, 1426, 1860, 1941, 2139, 2588, 2760, 2852, 3235, 3565, 3720, 3882, 4278, 5176, 5704, 6470, 7130, 7764, 8556, 9705, 10695, 12940, 14260, 14881, 15528, 17112, 19410, 20057, 21390, 25880, 28520, 29762, 38820, 40114, 42780, 44643, 59524, 60171, 74405, 77640, 80228, 85560, 89286, 100285, 119048, 120342, 148810, 160456, 178572, 200570, 223215, 240684, 297620, 300855, 357144, 401140, 446430, 461311, 481368, 595240, 601710, 802280, 892860, 922622, 1203420, 1383933, 1785720, 1845244, 2306555, 2406840, 2767866, 3690488, 4613110, 5535732, 6919665, 9226220, 11071464, 13839330, 18452440, 27678660, 55357320]

約数ペア:

[(1, 55357320), (2, 27678660), (3, 18452440), (4, 13839330), (5, 11071464), (6, 9226220), (8, 6919665), (10, 5535732), (12, 4613110), (15, 3690488), (20, 2767866), (23, 2406840), (24, 2306555), (30, 1845244), (31, 1785720), (40, 1383933), (46, 1203420), (60, 922622), (62, 892860), (69, 802280), (92, 601710), (93, 595240), (115, 481368), (120, 461311), (124, 446430), (138, 401140), (155, 357144), (184, 300855), (186, 297620), (230, 240684), (248, 223215), (276, 200570), (310, 178572), (345, 160456), (372, 148810), (460, 120342), (465, 119048), (552, 100285), (620, 89286), (647, 85560), (690, 80228), (713, 77640), (744, 74405), (920, 60171), (930, 59524), (1240, 44643), (1294, 42780), (1380, 40114), (1426, 38820), (1860, 29762), (1941, 28520), (2139, 25880), (2588, 21390), (2760, 20057), (2852, 19410), (3235, 17112), (3565, 15528), (3720, 14881), (3882, 14260), (4278, 12940), (5176, 10695), (5704, 9705), (6470, 8556), (7130, 7764)]