247816480

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2939}}^1$

素因数の和:3002

約数の個数: 96

約数和(自身を含む): 640120320

約数和(自身を除く): 392303840

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 62, 68, 80, 85, 124, 136, 155, 160, 170, 248, 272, 310, 340, 496, 527, 544, 620, 680, 992, 1054, 1240, 1360, 2108, 2480, 2635, 2720, 2939, 4216, 4960, 5270, 5878, 8432, 10540, 11756, 14695, 16864, 21080, 23512, 29390, 42160, 47024, 49963, 58780, 84320, 91109, 94048, 99926, 117560, 182218, 199852, 235120, 249815, 364436, 399704, 455545, 470240, 499630, 728872, 799408, 911090, 999260, 1457744, 1548853, 1598816, 1822180, 1998520, 2915488, 3097706, 3644360, 3997040, 6195412, 7288720, 7744265, 7994080, 12390824, 14577440, 15488530, 24781648, 30977060, 49563296, 61954120, 123908240, 247816480]

約数ペア:

[(1, 247816480), (2, 123908240), (4, 61954120), (5, 49563296), (8, 30977060), (10, 24781648), (16, 15488530), (17, 14577440), (20, 12390824), (31, 7994080), (32, 7744265), (34, 7288720), (40, 6195412), (62, 3997040), (68, 3644360), (80, 3097706), (85, 2915488), (124, 1998520), (136, 1822180), (155, 1598816), (160, 1548853), (170, 1457744), (248, 999260), (272, 911090), (310, 799408), (340, 728872), (496, 499630), (527, 470240), (544, 455545), (620, 399704), (680, 364436), (992, 249815), (1054, 235120), (1240, 199852), (1360, 182218), (2108, 117560), (2480, 99926), (2635, 94048), (2720, 91109), (2939, 84320), (4216, 58780), (4960, 49963), (5270, 47024), (5878, 42160), (8432, 29390), (10540, 23512), (11756, 21080), (14695, 16864)]