72608640

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2909}}^1$

素因数の和:2944

約数の個数: 128

約数和(自身を含む): 249328800

約数和(自身を除く): 176720160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 384, 390, 416, 480, 520, 624, 640, 780, 832, 960, 1040, 1248, 1560, 1664, 1920, 2080, 2496, 2909, 3120, 4160, 4992, 5818, 6240, 8320, 8727, 11636, 12480, 14545, 17454, 23272, 24960, 29090, 34908, 37817, 43635, 46544, 58180, 69816, 75634, 87270, 93088, 113451, 116360, 139632, 151268, 174540, 186176, 189085, 226902, 232720, 279264, 302536, 349080, 372352, 378170, 453804, 465440, 558528, 567255, 605072, 698160, 756340, 907608, 930880, 1117056, 1134510, 1210144, 1396320, 1512680, 1815216, 1861760, 2269020, 2420288, 2792640, 3025360, 3630432, 4538040, 4840576, 5585280, 6050720, 7260864, 9076080, 12101440, 14521728, 18152160, 24202880, 36304320, 72608640]

約数ペア:

[(1, 72608640), (2, 36304320), (3, 24202880), (4, 18152160), (5, 14521728), (6, 12101440), (8, 9076080), (10, 7260864), (12, 6050720), (13, 5585280), (15, 4840576), (16, 4538040), (20, 3630432), (24, 3025360), (26, 2792640), (30, 2420288), (32, 2269020), (39, 1861760), (40, 1815216), (48, 1512680), (52, 1396320), (60, 1210144), (64, 1134510), (65, 1117056), (78, 930880), (80, 907608), (96, 756340), (104, 698160), (120, 605072), (128, 567255), (130, 558528), (156, 465440), (160, 453804), (192, 378170), (195, 372352), (208, 349080), (240, 302536), (260, 279264), (312, 232720), (320, 226902), (384, 189085), (390, 186176), (416, 174540), (480, 151268), (520, 139632), (624, 116360), (640, 113451), (780, 93088), (832, 87270), (960, 75634), (1040, 69816), (1248, 58180), (1560, 46544), (1664, 43635), (1920, 37817), (2080, 34908), (2496, 29090), (2909, 24960), (3120, 23272), (4160, 17454), (4992, 14545), (5818, 12480), (6240, 11636), (8320, 8727)]