20356928640

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{8599}}^1$

素因数の和:8764

約数の個数: 256

約数和(自身を含む): 72632160000

約数和(自身を除く): 52275231360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 137, 144, 160, 180, 192, 216, 240, 270, 274, 288, 320, 360, 384, 411, 432, 480, 540, 548, 576, 640, 685, 720, 822, 864, 960, 1080, 1096, 1152, 1233, 1370, 1440, 1644, 1728, 1920, 2055, 2160, 2192, 2466, 2740, 2880, 3288, 3456, 3699, 4110, 4320, 4384, 4932, 5480, 5760, 6165, 6576, 7398, 8220, 8599, 8640, 8768, 9864, 10960, 12330, 13152, 14796, 16440, 17198, 17280, 17536, 18495, 19728, 21920, 24660, 25797, 26304, 29592, 32880, 34396, 36990, 39456, 42995, 43840, 49320, 51594, 52608, 59184, 65760, 68792, 73980, 77391, 78912, 85990, 87680, 98640, 103188, 118368, 128985, 131520, 137584, 147960, 154782, 157824, 171980, 197280, 206376, 232173, 236736, 257970, 263040, 275168, 295920, 309564, 343960, 386955, 394560, 412752, 464346, 473472, 515940, 550336, 591840, 619128, 687920, 773910, 789120, 825504, 928692, 1031880, 1100672, 1160865, 1178063, 1183680, 1238256, 1375840, 1547820, 1651008, 1857384, 2063760, 2321730, 2356126, 2367360, 2476512, 2751680, 3095640, 3302016, 3534189, 3714768, 4127520, 4643460, 4712252, 4953024, 5503360, 5890315, 6191280, 7068378, 7429536, 8255040, 9286920, 9424504, 9906048, 10602567, 11780630, 12382560, 14136756, 14859072, 16510080, 17670945, 18573840, 18849008, 21205134, 23561260, 24765120, 28273512, 29718144, 31807701, 35341890, 37147680, 37698016, 42410268, 47122520, 49530240, 53012835, 56547024, 63615402, 70683780, 74295360, 75396032, 84820536, 94245040, 106025670, 113094048, 127230804, 141367560, 148590720, 150792064, 159038505, 169641072, 188490080, 212051340, 226188096, 254461608, 282735120, 318077010, 339282144, 376980160, 424102680, 452376192, 508923216, 565470240, 636154020, 678564288, 753960320, 848205360, 1017846432, 1130940480, 1272308040, 1357128576, 1696410720, 2035692864, 2261880960, 2544616080, 3392821440, 4071385728, 5089232160, 6785642880, 10178464320, 20356928640]

約数ペア:

[(1, 20356928640), (2, 10178464320), (3, 6785642880), (4, 5089232160), (5, 4071385728), (6, 3392821440), (8, 2544616080), (9, 2261880960), (10, 2035692864), (12, 1696410720), (15, 1357128576), (16, 1272308040), (18, 1130940480), (20, 1017846432), (24, 848205360), (27, 753960320), (30, 678564288), (32, 636154020), (36, 565470240), (40, 508923216), (45, 452376192), (48, 424102680), (54, 376980160), (60, 339282144), (64, 318077010), (72, 282735120), (80, 254461608), (90, 226188096), (96, 212051340), (108, 188490080), (120, 169641072), (128, 159038505), (135, 150792064), (137, 148590720), (144, 141367560), (160, 127230804), (180, 113094048), (192, 106025670), (216, 94245040), (240, 84820536), (270, 75396032), (274, 74295360), (288, 70683780), (320, 63615402), (360, 56547024), (384, 53012835), (411, 49530240), (432, 47122520), (480, 42410268), (540, 37698016), (548, 37147680), (576, 35341890), (640, 31807701), (685, 29718144), (720, 28273512), (822, 24765120), (864, 23561260), (960, 21205134), (1080, 18849008), (1096, 18573840), (1152, 17670945), (1233, 16510080), (1370, 14859072), (1440, 14136756), (1644, 12382560), (1728, 11780630), (1920, 10602567), (2055, 9906048), (2160, 9424504), (2192, 9286920), (2466, 8255040), (2740, 7429536), (2880, 7068378), (3288, 6191280), (3456, 5890315), (3699, 5503360), (4110, 4953024), (4320, 4712252), (4384, 4643460), (4932, 4127520), (5480, 3714768), (5760, 3534189), (6165, 3302016), (6576, 3095640), (7398, 2751680), (8220, 2476512), (8599, 2367360), (8640, 2356126), (8768, 2321730), (9864, 2063760), (10960, 1857384), (12330, 1651008), (13152, 1547820), (14796, 1375840), (16440, 1238256), (17198, 1183680), (17280, 1178063), (17536, 1160865), (18495, 1100672), (19728, 1031880), (21920, 928692), (24660, 825504), (25797, 789120), (26304, 773910), (29592, 687920), (32880, 619128), (34396, 591840), (36990, 550336), (39456, 515940), (42995, 473472), (43840, 464346), (49320, 412752), (51594, 394560), (52608, 386955), (59184, 343960), (65760, 309564), (68792, 295920), (73980, 275168), (77391, 263040), (78912, 257970), (85990, 236736), (87680, 232173), (98640, 206376), (103188, 197280), (118368, 171980), (128985, 157824), (131520, 154782), (137584, 147960)]