72289360

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:197

約数の個数: 160

約数和(自身を含む): 202487040

約数和(自身を除く): 130197680

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 71, 80, 88, 89, 104, 110, 130, 142, 143, 176, 178, 208, 220, 260, 284, 286, 355, 356, 440, 445, 520, 568, 572, 710, 712, 715, 781, 880, 890, 923, 979, 1040, 1136, 1144, 1157, 1420, 1424, 1430, 1562, 1780, 1846, 1958, 2288, 2314, 2840, 2860, 3124, 3560, 3692, 3905, 3916, 4615, 4628, 4895, 5680, 5720, 5785, 6248, 6319, 7120, 7384, 7810, 7832, 9230, 9256, 9790, 10153, 11440, 11570, 12496, 12638, 12727, 14768, 15620, 15664, 18460, 18512, 19580, 20306, 23140, 25276, 25454, 31240, 31595, 36920, 39160, 40612, 46280, 50552, 50765, 50908, 62480, 63190, 63635, 69509, 73840, 78320, 81224, 82147, 92560, 101104, 101530, 101816, 126380, 127270, 139018, 162448, 164294, 203060, 203632, 252760, 254540, 278036, 328588, 347545, 406120, 410735, 505520, 509080, 556072, 657176, 695090, 812240, 821470, 903617, 1018160, 1112144, 1314352, 1390180, 1642940, 1807234, 2780360, 3285880, 3614468, 4518085, 5560720, 6571760, 7228936, 9036170, 14457872, 18072340, 36144680, 72289360]

約数ペア:

[(1, 72289360), (2, 36144680), (4, 18072340), (5, 14457872), (8, 9036170), (10, 7228936), (11, 6571760), (13, 5560720), (16, 4518085), (20, 3614468), (22, 3285880), (26, 2780360), (40, 1807234), (44, 1642940), (52, 1390180), (55, 1314352), (65, 1112144), (71, 1018160), (80, 903617), (88, 821470), (89, 812240), (104, 695090), (110, 657176), (130, 556072), (142, 509080), (143, 505520), (176, 410735), (178, 406120), (208, 347545), (220, 328588), (260, 278036), (284, 254540), (286, 252760), (355, 203632), (356, 203060), (440, 164294), (445, 162448), (520, 139018), (568, 127270), (572, 126380), (710, 101816), (712, 101530), (715, 101104), (781, 92560), (880, 82147), (890, 81224), (923, 78320), (979, 73840), (1040, 69509), (1136, 63635), (1144, 63190), (1157, 62480), (1420, 50908), (1424, 50765), (1430, 50552), (1562, 46280), (1780, 40612), (1846, 39160), (1958, 36920), (2288, 31595), (2314, 31240), (2840, 25454), (2860, 25276), (3124, 23140), (3560, 20306), (3692, 19580), (3905, 18512), (3916, 18460), (4615, 15664), (4628, 15620), (4895, 14768), (5680, 12727), (5720, 12638), (5785, 12496), (6248, 11570), (6319, 11440), (7120, 10153), (7384, 9790), (7810, 9256), (7832, 9230)]