640399570560

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{2267}}^1\times {\mathrm{49043}}^1$

素因数の和:51335

約数の個数: 192

約数和(自身を含む): 2212400342880

約数和(自身を除く): 1572000772320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 288, 320, 360, 384, 480, 576, 640, 720, 960, 1152, 1440, 1920, 2267, 2880, 4534, 5760, 6801, 9068, 11335, 13602, 18136, 20403, 22670, 27204, 34005, 36272, 40806, 45340, 49043, 54408, 68010, 72544, 81612, 90680, 98086, 102015, 108816, 136020, 145088, 147129, 163224, 181360, 196172, 204030, 217632, 245215, 272040, 290176, 294258, 326448, 362720, 392344, 408060, 435264, 441387, 490430, 544080, 588516, 652896, 725440, 735645, 784688, 816120, 870528, 882774, 980860, 1088160, 1177032, 1305792, 1450880, 1471290, 1569376, 1632240, 1765548, 1961720, 2176320, 2206935, 2354064, 2611584, 2942580, 3138752, 3264480, 3531096, 3923440, 4352640, 4413870, 4708128, 5885160, 6277504, 6528960, 7062192, 7846880, 8827740, 9416256, 11770320, 13057920, 14124384, 15693760, 17655480, 18832512, 23540640, 28248768, 31387520, 35310960, 47081280, 56497536, 70621920, 94162560, 111180481, 141243840, 222360962, 282487680, 333541443, 444721924, 555902405, 667082886, 889443848, 1000624329, 1111804810, 1334165772, 1667707215, 1778887696, 2001248658, 2223609620, 2668331544, 3335414430, 3557775392, 4002497316, 4447219240, 5003121645, 5336663088, 6670828860, 7115550784, 8004994632, 8894438480, 10006243290, 10673326176, 13341657720, 14231101568, 16009989264, 17788876960, 20012486580, 21346652352, 26683315440, 32019978528, 35577753920, 40024973160, 42693304704, 53366630880, 64039957056, 71155507840, 80049946320, 106733261760, 128079914112, 160099892640, 213466523520, 320199785280, 640399570560]

約数ペア:

[(1, 640399570560), (2, 320199785280), (3, 213466523520), (4, 160099892640), (5, 128079914112), (6, 106733261760), (8, 80049946320), (9, 71155507840), (10, 64039957056), (12, 53366630880), (15, 42693304704), (16, 40024973160), (18, 35577753920), (20, 32019978528), (24, 26683315440), (30, 21346652352), (32, 20012486580), (36, 17788876960), (40, 16009989264), (45, 14231101568), (48, 13341657720), (60, 10673326176), (64, 10006243290), (72, 8894438480), (80, 8004994632), (90, 7115550784), (96, 6670828860), (120, 5336663088), (128, 5003121645), (144, 4447219240), (160, 4002497316), (180, 3557775392), (192, 3335414430), (240, 2668331544), (288, 2223609620), (320, 2001248658), (360, 1778887696), (384, 1667707215), (480, 1334165772), (576, 1111804810), (640, 1000624329), (720, 889443848), (960, 667082886), (1152, 555902405), (1440, 444721924), (1920, 333541443), (2267, 282487680), (2880, 222360962), (4534, 141243840), (5760, 111180481), (6801, 94162560), (9068, 70621920), (11335, 56497536), (13602, 47081280), (18136, 35310960), (20403, 31387520), (22670, 28248768), (27204, 23540640), (34005, 18832512), (36272, 17655480), (40806, 15693760), (45340, 14124384), (49043, 13057920), (54408, 11770320), (68010, 9416256), (72544, 8827740), (81612, 7846880), (90680, 7062192), (98086, 6528960), (102015, 6277504), (108816, 5885160), (136020, 4708128), (145088, 4413870), (147129, 4352640), (163224, 3923440), (181360, 3531096), (196172, 3264480), (204030, 3138752), (217632, 2942580), (245215, 2611584), (272040, 2354064), (290176, 2206935), (294258, 2176320), (326448, 1961720), (362720, 1765548), (392344, 1632240), (408060, 1569376), (435264, 1471290), (441387, 1450880), (490430, 1305792), (544080, 1177032), (588516, 1088160), (652896, 980860), (725440, 882774), (735645, 870528), (784688, 816120)]