20767367625

素因数分解:

$3^1\times 5^3\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{263}}^1$

素因数の和:500

約数の個数: 128

約数和(自身を含む): 36828380160

約数和(自身を除く): 16061012535

約数列:

[1, 3, 5, 15, 25, 29, 53, 75, 87, 125, 137, 145, 159, 263, 265, 375, 411, 435, 685, 725, 789, 795, 1315, 1325, 1537, 2055, 2175, 3425, 3625, 3945, 3973, 3975, 4611, 6575, 6625, 7261, 7627, 7685, 10275, 10875, 11919, 13939, 17125, 19725, 19865, 19875, 21783, 22881, 23055, 32875, 36031, 36305, 38135, 38425, 41817, 51375, 59595, 69695, 98625, 99325, 108093, 108915, 114405, 115275, 180155, 181525, 190675, 192125, 209085, 210569, 297975, 348475, 404231, 496625, 540465, 544575, 572025, 576375, 631707, 900775, 907625, 953375, 1044899, 1045425, 1052845, 1212693, 1489875, 1742375, 1909643, 2021155, 2702325, 2722875, 2860125, 3134697, 3158535, 4503875, 5224495, 5227125, 5264225, 5728929, 6063465, 9548215, 10105775, 13511625, 15673485, 15792675, 26122475, 26321125, 28644645, 30317325, 47741075, 50528875, 55379647, 78367425, 78963375, 130612375, 143223225, 151586625, 166138941, 238705375, 276898235, 391837125, 716116125, 830694705, 1384491175, 4153473525, 6922455875, 20767367625]

約数ペア:

[(1, 20767367625), (3, 6922455875), (5, 4153473525), (15, 1384491175), (25, 830694705), (29, 716116125), (53, 391837125), (75, 276898235), (87, 238705375), (125, 166138941), (137, 151586625), (145, 143223225), (159, 130612375), (263, 78963375), (265, 78367425), (375, 55379647), (411, 50528875), (435, 47741075), (685, 30317325), (725, 28644645), (789, 26321125), (795, 26122475), (1315, 15792675), (1325, 15673485), (1537, 13511625), (2055, 10105775), (2175, 9548215), (3425, 6063465), (3625, 5728929), (3945, 5264225), (3973, 5227125), (3975, 5224495), (4611, 4503875), (6575, 3158535), (6625, 3134697), (7261, 2860125), (7627, 2722875), (7685, 2702325), (10275, 2021155), (10875, 1909643), (11919, 1742375), (13939, 1489875), (17125, 1212693), (19725, 1052845), (19865, 1045425), (19875, 1044899), (21783, 953375), (22881, 907625), (23055, 900775), (32875, 631707), (36031, 576375), (36305, 572025), (38135, 544575), (38425, 540465), (41817, 496625), (51375, 404231), (59595, 348475), (69695, 297975), (98625, 210569), (99325, 209085), (108093, 192125), (108915, 190675), (114405, 181525), (115275, 180155)]