120944240

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{199}}^1$

素因数の和:390

約数の個数: 80

約数和(自身を含む): 289267200

約数和(自身を除く): 168322960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 107, 142, 199, 214, 284, 355, 398, 428, 535, 568, 710, 796, 856, 995, 1070, 1136, 1420, 1592, 1712, 1990, 2140, 2840, 3184, 3980, 4280, 5680, 7597, 7960, 8560, 14129, 15194, 15920, 21293, 28258, 30388, 37985, 42586, 56516, 60776, 70645, 75970, 85172, 106465, 113032, 121552, 141290, 151940, 170344, 212930, 226064, 282580, 303880, 340688, 425860, 565160, 607760, 851720, 1130320, 1511803, 1703440, 3023606, 6047212, 7559015, 12094424, 15118030, 24188848, 30236060, 60472120, 120944240]

約数ペア:

[(1, 120944240), (2, 60472120), (4, 30236060), (5, 24188848), (8, 15118030), (10, 12094424), (16, 7559015), (20, 6047212), (40, 3023606), (71, 1703440), (80, 1511803), (107, 1130320), (142, 851720), (199, 607760), (214, 565160), (284, 425860), (355, 340688), (398, 303880), (428, 282580), (535, 226064), (568, 212930), (710, 170344), (796, 151940), (856, 141290), (995, 121552), (1070, 113032), (1136, 106465), (1420, 85172), (1592, 75970), (1712, 70645), (1990, 60776), (2140, 56516), (2840, 42586), (3184, 37985), (3980, 30388), (4280, 28258), (5680, 21293), (7597, 15920), (7960, 15194), (8560, 14129)]