20121020160

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{88811}}^1$

素因数の和:88894

約数の個数: 144

約数和(自身を含む): 65351422080

約数和(自身を除く): 45230401920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 59, 60, 64, 80, 96, 118, 120, 128, 160, 177, 192, 236, 240, 256, 295, 320, 354, 384, 472, 480, 590, 640, 708, 768, 885, 944, 960, 1180, 1280, 1416, 1770, 1888, 1920, 2360, 2832, 3540, 3776, 3840, 4720, 5664, 7080, 7552, 9440, 11328, 14160, 15104, 18880, 22656, 28320, 37760, 45312, 56640, 75520, 88811, 113280, 177622, 226560, 266433, 355244, 444055, 532866, 710488, 888110, 1065732, 1332165, 1420976, 1776220, 2131464, 2664330, 2841952, 3552440, 4262928, 5239849, 5328660, 5683904, 7104880, 8525856, 10479698, 10657320, 11367808, 14209760, 15719547, 17051712, 20959396, 21314640, 22735616, 26199245, 28419520, 31439094, 34103424, 41918792, 42629280, 52398490, 56839040, 62878188, 68206848, 78597735, 83837584, 85258560, 104796980, 113678080, 125756376, 157195470, 167675168, 170517120, 209593960, 251512752, 314390940, 335350336, 341034240, 419187920, 503025504, 628781880, 670700672, 838375840, 1006051008, 1257563760, 1341401344, 1676751680, 2012102016, 2515127520, 3353503360, 4024204032, 5030255040, 6707006720, 10060510080, 20121020160]

約数ペア:

[(1, 20121020160), (2, 10060510080), (3, 6707006720), (4, 5030255040), (5, 4024204032), (6, 3353503360), (8, 2515127520), (10, 2012102016), (12, 1676751680), (15, 1341401344), (16, 1257563760), (20, 1006051008), (24, 838375840), (30, 670700672), (32, 628781880), (40, 503025504), (48, 419187920), (59, 341034240), (60, 335350336), (64, 314390940), (80, 251512752), (96, 209593960), (118, 170517120), (120, 167675168), (128, 157195470), (160, 125756376), (177, 113678080), (192, 104796980), (236, 85258560), (240, 83837584), (256, 78597735), (295, 68206848), (320, 62878188), (354, 56839040), (384, 52398490), (472, 42629280), (480, 41918792), (590, 34103424), (640, 31439094), (708, 28419520), (768, 26199245), (885, 22735616), (944, 21314640), (960, 20959396), (1180, 17051712), (1280, 15719547), (1416, 14209760), (1770, 11367808), (1888, 10657320), (1920, 10479698), (2360, 8525856), (2832, 7104880), (3540, 5683904), (3776, 5328660), (3840, 5239849), (4720, 4262928), (5664, 3552440), (7080, 2841952), (7552, 2664330), (9440, 2131464), (11328, 1776220), (14160, 1420976), (15104, 1332165), (18880, 1065732), (22656, 888110), (28320, 710488), (37760, 532866), (45312, 444055), (56640, 355244), (75520, 266433), (88811, 226560), (113280, 177622)]