20051550720

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{919}}^1\times {\mathrm{947}}^1$

素因数の和:1895

約数の個数: 240

約数和(自身を含む): 69593135040

約数和(自身を除く): 49541584320

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, 256, 288, 320, 360, 384, 480, 512, 576, 640, 720, 768, 919, 947, 960, 1152, 1280, 1440, 1536, 1838, 1894, 1920, 2304, 2560, 2757, 2841, 2880, 3676, 3788, 3840, 4595, 4608, 4735, 5514, 5682, 5760, 7352, 7576, 7680, 8271, 8523, 9190, 9470, 11028, 11364, 11520, 13785, 14205, 14704, 15152, 16542, 17046, 18380, 18940, 22056, 22728, 23040, 27570, 28410, 29408, 30304, 33084, 34092, 36760, 37880, 41355, 42615, 44112, 45456, 55140, 56820, 58816, 60608, 66168, 68184, 73520, 75760, 82710, 85230, 88224, 90912, 110280, 113640, 117632, 121216, 132336, 136368, 147040, 151520, 165420, 170460, 176448, 181824, 220560, 227280, 235264, 242432, 264672, 272736, 294080, 303040, 330840, 340920, 352896, 363648, 441120, 454560, 470528, 484864, 529344, 545472, 588160, 606080, 661680, 681840, 705792, 727296, 870293, 882240, 909120, 1058688, 1090944, 1176320, 1212160, 1323360, 1363680, 1411584, 1454592, 1740586, 1764480, 1818240, 2117376, 2181888, 2352640, 2424320, 2610879, 2646720, 2727360, 3481172, 3528960, 3636480, 4234752, 4351465, 4363776, 5221758, 5293440, 5454720, 6962344, 7057920, 7272960, 7832637, 8702930, 10443516, 10586880, 10909440, 13054395, 13924688, 15665274, 17405860, 20887032, 21173760, 21818880, 26108790, 27849376, 31330548, 34811720, 39163185, 41774064, 52217580, 55698752, 62661096, 69623440, 78326370, 83548128, 104435160, 111397504, 125322192, 139246880, 156652740, 167096256, 208870320, 222795008, 250644384, 278493760, 313305480, 334192512, 417740640, 445590016, 501288768, 556987520, 626610960, 668385024, 835481280, 1002577536, 1113975040, 1253221920, 1336770048, 1670962560, 2005155072, 2227950080, 2506443840, 3341925120, 4010310144, 5012887680, 6683850240, 10025775360, 20051550720]

約数ペア:

[(1, 20051550720), (2, 10025775360), (3, 6683850240), (4, 5012887680), (5, 4010310144), (6, 3341925120), (8, 2506443840), (9, 2227950080), (10, 2005155072), (12, 1670962560), (15, 1336770048), (16, 1253221920), (18, 1113975040), (20, 1002577536), (24, 835481280), (30, 668385024), (32, 626610960), (36, 556987520), (40, 501288768), (45, 445590016), (48, 417740640), (60, 334192512), (64, 313305480), (72, 278493760), (80, 250644384), (90, 222795008), (96, 208870320), (120, 167096256), (128, 156652740), (144, 139246880), (160, 125322192), (180, 111397504), (192, 104435160), (240, 83548128), (256, 78326370), (288, 69623440), (320, 62661096), (360, 55698752), (384, 52217580), (480, 41774064), (512, 39163185), (576, 34811720), (640, 31330548), (720, 27849376), (768, 26108790), (919, 21818880), (947, 21173760), (960, 20887032), (1152, 17405860), (1280, 15665274), (1440, 13924688), (1536, 13054395), (1838, 10909440), (1894, 10586880), (1920, 10443516), (2304, 8702930), (2560, 7832637), (2757, 7272960), (2841, 7057920), (2880, 6962344), (3676, 5454720), (3788, 5293440), (3840, 5221758), (4595, 4363776), (4608, 4351465), (4735, 4234752), (5514, 3636480), (5682, 3528960), (5760, 3481172), (7352, 2727360), (7576, 2646720), (7680, 2610879), (8271, 2424320), (8523, 2352640), (9190, 2181888), (9470, 2117376), (11028, 1818240), (11364, 1764480), (11520, 1740586), (13785, 1454592), (14205, 1411584), (14704, 1363680), (15152, 1323360), (16542, 1212160), (17046, 1176320), (18380, 1090944), (18940, 1058688), (22056, 909120), (22728, 882240), (23040, 870293), (27570, 727296), (28410, 705792), (29408, 681840), (30304, 661680), (33084, 606080), (34092, 588160), (36760, 545472), (37880, 529344), (41355, 484864), (42615, 470528), (44112, 454560), (45456, 441120), (55140, 363648), (56820, 352896), (58816, 340920), (60608, 330840), (66168, 303040), (68184, 294080), (73520, 272736), (75760, 264672), (82710, 242432), (85230, 235264), (88224, 227280), (90912, 220560), (110280, 181824), (113640, 176448), (117632, 170460), (121216, 165420), (132336, 151520), (136368, 147040)]