20128584960

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{158843}}^1$

素因数の和:158881

約数の個数: 216

約数和(自身を含む): 75974449824

約数和(自身を除く): 55845864864

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 64, 66, 72, 80, 88, 90, 96, 99, 110, 120, 128, 132, 144, 160, 165, 176, 180, 192, 198, 220, 240, 256, 264, 288, 320, 330, 352, 360, 384, 396, 440, 480, 495, 528, 576, 640, 660, 704, 720, 768, 792, 880, 960, 990, 1056, 1152, 1280, 1320, 1408, 1440, 1584, 1760, 1920, 1980, 2112, 2304, 2640, 2816, 2880, 3168, 3520, 3840, 3960, 4224, 5280, 5760, 6336, 7040, 7920, 8448, 10560, 11520, 12672, 14080, 15840, 21120, 25344, 31680, 42240, 63360, 126720, 158843, 317686, 476529, 635372, 794215, 953058, 1270744, 1429587, 1588430, 1747273, 1906116, 2382645, 2541488, 2859174, 3176860, 3494546, 3812232, 4765290, 5082976, 5241819, 5718348, 6353720, 6989092, 7147935, 7624464, 8736365, 9530580, 10165952, 10483638, 11436696, 12707440, 13978184, 14295870, 15248928, 15725457, 17472730, 19061160, 20331904, 20967276, 22873392, 25414880, 26209095, 27956368, 28591740, 30497856, 31450914, 34945460, 38122320, 40663808, 41934552, 45746784, 50829760, 52418190, 55912736, 57183480, 60995712, 62901828, 69890920, 76244640, 78627285, 83869104, 91493568, 101659520, 104836380, 111825472, 114366960, 121991424, 125803656, 139781840, 152489280, 157254570, 167738208, 182987136, 203319040, 209672760, 223650944, 228733920, 251607312, 279563680, 304978560, 314509140, 335476416, 365974272, 419345520, 447301888, 457467840, 503214624, 559127360, 609957120, 629018280, 670952832, 838691040, 914935680, 1006429248, 1118254720, 1258036560, 1341905664, 1677382080, 1829871360, 2012858496, 2236509440, 2516073120, 3354764160, 4025716992, 5032146240, 6709528320, 10064292480, 20128584960]

約数ペア:

[(1, 20128584960), (2, 10064292480), (3, 6709528320), (4, 5032146240), (5, 4025716992), (6, 3354764160), (8, 2516073120), (9, 2236509440), (10, 2012858496), (11, 1829871360), (12, 1677382080), (15, 1341905664), (16, 1258036560), (18, 1118254720), (20, 1006429248), (22, 914935680), (24, 838691040), (30, 670952832), (32, 629018280), (33, 609957120), (36, 559127360), (40, 503214624), (44, 457467840), (45, 447301888), (48, 419345520), (55, 365974272), (60, 335476416), (64, 314509140), (66, 304978560), (72, 279563680), (80, 251607312), (88, 228733920), (90, 223650944), (96, 209672760), (99, 203319040), (110, 182987136), (120, 167738208), (128, 157254570), (132, 152489280), (144, 139781840), (160, 125803656), (165, 121991424), (176, 114366960), (180, 111825472), (192, 104836380), (198, 101659520), (220, 91493568), (240, 83869104), (256, 78627285), (264, 76244640), (288, 69890920), (320, 62901828), (330, 60995712), (352, 57183480), (360, 55912736), (384, 52418190), (396, 50829760), (440, 45746784), (480, 41934552), (495, 40663808), (528, 38122320), (576, 34945460), (640, 31450914), (660, 30497856), (704, 28591740), (720, 27956368), (768, 26209095), (792, 25414880), (880, 22873392), (960, 20967276), (990, 20331904), (1056, 19061160), (1152, 17472730), (1280, 15725457), (1320, 15248928), (1408, 14295870), (1440, 13978184), (1584, 12707440), (1760, 11436696), (1920, 10483638), (1980, 10165952), (2112, 9530580), (2304, 8736365), (2640, 7624464), (2816, 7147935), (2880, 6989092), (3168, 6353720), (3520, 5718348), (3840, 5241819), (3960, 5082976), (4224, 4765290), (5280, 3812232), (5760, 3494546), (6336, 3176860), (7040, 2859174), (7920, 2541488), (8448, 2382645), (10560, 1906116), (11520, 1747273), (12672, 1588430), (14080, 1429587), (15840, 1270744), (21120, 953058), (25344, 794215), (31680, 635372), (42240, 476529), (63360, 317686), (126720, 158843)]