64674531200

素因数分解:

$2^7\times 5^2\times {\mathrm{31}}^2\times {\mathrm{21031}}^1$

素因数の和:21117

約数の個数: 144

約数和(自身を含む): 165094154280

約数和(自身を除く): 100419623080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 128, 155, 160, 200, 248, 310, 320, 400, 496, 620, 640, 775, 800, 961, 992, 1240, 1550, 1600, 1922, 1984, 2480, 3100, 3200, 3844, 3968, 4805, 4960, 6200, 7688, 9610, 9920, 12400, 15376, 19220, 19840, 21031, 24025, 24800, 30752, 38440, 42062, 48050, 49600, 61504, 76880, 84124, 96100, 99200, 105155, 123008, 153760, 168248, 192200, 210310, 307520, 336496, 384400, 420620, 525775, 615040, 651961, 672992, 768800, 841240, 1051550, 1303922, 1345984, 1537600, 1682480, 2103100, 2607844, 2691968, 3075200, 3259805, 3364960, 4206200, 5215688, 6519610, 6729920, 8412400, 10431376, 13039220, 13459840, 16299025, 16824800, 20210791, 20862752, 26078440, 32598050, 33649600, 40421582, 41725504, 52156880, 65196100, 67299200, 80843164, 83451008, 101053955, 104313760, 130392200, 161686328, 202107910, 208627520, 260784400, 323372656, 404215820, 417255040, 505269775, 521568800, 646745312, 808431640, 1010539550, 1043137600, 1293490624, 1616863280, 2021079100, 2086275200, 2586981248, 3233726560, 4042158200, 6467453120, 8084316400, 12934906240, 16168632800, 32337265600, 64674531200]

約数ペア:

[(1, 64674531200), (2, 32337265600), (4, 16168632800), (5, 12934906240), (8, 8084316400), (10, 6467453120), (16, 4042158200), (20, 3233726560), (25, 2586981248), (31, 2086275200), (32, 2021079100), (40, 1616863280), (50, 1293490624), (62, 1043137600), (64, 1010539550), (80, 808431640), (100, 646745312), (124, 521568800), (128, 505269775), (155, 417255040), (160, 404215820), (200, 323372656), (248, 260784400), (310, 208627520), (320, 202107910), (400, 161686328), (496, 130392200), (620, 104313760), (640, 101053955), (775, 83451008), (800, 80843164), (961, 67299200), (992, 65196100), (1240, 52156880), (1550, 41725504), (1600, 40421582), (1922, 33649600), (1984, 32598050), (2480, 26078440), (3100, 20862752), (3200, 20210791), (3844, 16824800), (3968, 16299025), (4805, 13459840), (4960, 13039220), (6200, 10431376), (7688, 8412400), (9610, 6729920), (9920, 6519610), (12400, 5215688), (15376, 4206200), (19220, 3364960), (19840, 3259805), (21031, 3075200), (24025, 2691968), (24800, 2607844), (30752, 2103100), (38440, 1682480), (42062, 1537600), (48050, 1345984), (49600, 1303922), (61504, 1051550), (76880, 841240), (84124, 768800), (96100, 672992), (99200, 651961), (105155, 615040), (123008, 525775), (153760, 420620), (168248, 384400), (192200, 336496), (210310, 307520)]