720565237395

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{449}}^1\times {\mathrm{30403}}^1$

素因数の和:30906

約数の個数: 128

約数和(自身を含む): 1418529024000

約数和(自身を除く): 697963786605

約数列:

[1, 3, 5, 9, 15, 17, 23, 27, 45, 51, 69, 85, 115, 135, 153, 207, 255, 345, 391, 449, 459, 621, 765, 1035, 1173, 1347, 1955, 2245, 2295, 3105, 3519, 4041, 5865, 6735, 7633, 10327, 10557, 12123, 17595, 20205, 22899, 30403, 30981, 38165, 51635, 52785, 60615, 68697, 91209, 92943, 114495, 152015, 154905, 175559, 206091, 273627, 278829, 343485, 456045, 464715, 516851, 526677, 699269, 820881, 877795, 1030455, 1368135, 1394145, 1550553, 1580031, 2097807, 2584255, 2633385, 3496345, 4104405, 4651659, 4740093, 6293421, 7752765, 7900155, 10489035, 11887573, 13650947, 13954977, 18880263, 23258295, 23700465, 31467105, 35662719, 40952841, 59437865, 68254735, 69774885, 94401315, 106988157, 122858523, 178313595, 204764205, 232066099, 313971781, 320964471, 368575569, 534940785, 614292615, 696198297, 941915343, 1160330495, 1569858905, 1604822355, 1842877845, 2088594891, 2825746029, 3480991485, 4709576715, 5337520277, 6265784673, 8477238087, 10442974455, 14128730145, 16012560831, 26687601385, 31328923365, 42386190435, 48037682493, 80062804155, 144113047479, 240188412465, 720565237395]

約数ペア:

[(1, 720565237395), (3, 240188412465), (5, 144113047479), (9, 80062804155), (15, 48037682493), (17, 42386190435), (23, 31328923365), (27, 26687601385), (45, 16012560831), (51, 14128730145), (69, 10442974455), (85, 8477238087), (115, 6265784673), (135, 5337520277), (153, 4709576715), (207, 3480991485), (255, 2825746029), (345, 2088594891), (391, 1842877845), (449, 1604822355), (459, 1569858905), (621, 1160330495), (765, 941915343), (1035, 696198297), (1173, 614292615), (1347, 534940785), (1955, 368575569), (2245, 320964471), (2295, 313971781), (3105, 232066099), (3519, 204764205), (4041, 178313595), (5865, 122858523), (6735, 106988157), (7633, 94401315), (10327, 69774885), (10557, 68254735), (12123, 59437865), (17595, 40952841), (20205, 35662719), (22899, 31467105), (30403, 23700465), (30981, 23258295), (38165, 18880263), (51635, 13954977), (52785, 13650947), (60615, 11887573), (68697, 10489035), (91209, 7900155), (92943, 7752765), (114495, 6293421), (152015, 4740093), (154905, 4651659), (175559, 4104405), (206091, 3496345), (273627, 2633385), (278829, 2584255), (343485, 2097807), (456045, 1580031), (464715, 1550553), (516851, 1394145), (526677, 1368135), (699269, 1030455), (820881, 877795)]