255048720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{20051}}^1$

素因数の和:20120

約数の個数: 80

約数和(自身を含む): 805609152

約数和(自身を除く): 550560432

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 53, 60, 80, 106, 120, 159, 212, 240, 265, 318, 424, 530, 636, 795, 848, 1060, 1272, 1590, 2120, 2544, 3180, 4240, 6360, 12720, 20051, 40102, 60153, 80204, 100255, 120306, 160408, 200510, 240612, 300765, 320816, 401020, 481224, 601530, 802040, 962448, 1062703, 1203060, 1604080, 2125406, 2406120, 3188109, 4250812, 4812240, 5313515, 6376218, 8501624, 10627030, 12752436, 15940545, 17003248, 21254060, 25504872, 31881090, 42508120, 51009744, 63762180, 85016240, 127524360, 255048720]

約数ペア:

[(1, 255048720), (2, 127524360), (3, 85016240), (4, 63762180), (5, 51009744), (6, 42508120), (8, 31881090), (10, 25504872), (12, 21254060), (15, 17003248), (16, 15940545), (20, 12752436), (24, 10627030), (30, 8501624), (40, 6376218), (48, 5313515), (53, 4812240), (60, 4250812), (80, 3188109), (106, 2406120), (120, 2125406), (159, 1604080), (212, 1203060), (240, 1062703), (265, 962448), (318, 802040), (424, 601530), (530, 481224), (636, 401020), (795, 320816), (848, 300765), (1060, 240612), (1272, 200510), (1590, 160408), (2120, 120306), (2544, 100255), (3180, 80204), (4240, 60153), (6360, 40102), (12720, 20051)]