645664320

素因数分解:

$2^6\times 3^2\times 5^1\times 7^1\times {\mathrm{32027}}^1$

素因数の和:32057

約数の個数: 168

約数和(自身を含む): 2538154944

約数和(自身を除く): 1892490624

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 420, 448, 480, 504, 560, 576, 630, 672, 720, 840, 960, 1008, 1120, 1260, 1344, 1440, 1680, 2016, 2240, 2520, 2880, 3360, 4032, 5040, 6720, 10080, 20160, 32027, 64054, 96081, 128108, 160135, 192162, 224189, 256216, 288243, 320270, 384324, 448378, 480405, 512432, 576486, 640540, 672567, 768648, 896756, 960810, 1024864, 1120945, 1152972, 1281080, 1345134, 1441215, 1537296, 1793512, 1921620, 2017701, 2049728, 2241890, 2305944, 2562160, 2690268, 2882430, 3074592, 3362835, 3587024, 3843240, 4035402, 4483780, 4611888, 5124320, 5380536, 5764860, 6149184, 6725670, 7174048, 7686480, 8070804, 8967560, 9223776, 10088505, 10248640, 10761072, 11529720, 13451340, 14348096, 15372960, 16141608, 17935120, 18447552, 20177010, 21522144, 23059440, 26902680, 30745920, 32283216, 35870240, 40354020, 43044288, 46118880, 53805360, 64566432, 71740480, 80708040, 92237760, 107610720, 129132864, 161416080, 215221440, 322832160, 645664320]

約数ペア:

[(1, 645664320), (2, 322832160), (3, 215221440), (4, 161416080), (5, 129132864), (6, 107610720), (7, 92237760), (8, 80708040), (9, 71740480), (10, 64566432), (12, 53805360), (14, 46118880), (15, 43044288), (16, 40354020), (18, 35870240), (20, 32283216), (21, 30745920), (24, 26902680), (28, 23059440), (30, 21522144), (32, 20177010), (35, 18447552), (36, 17935120), (40, 16141608), (42, 15372960), (45, 14348096), (48, 13451340), (56, 11529720), (60, 10761072), (63, 10248640), (64, 10088505), (70, 9223776), (72, 8967560), (80, 8070804), (84, 7686480), (90, 7174048), (96, 6725670), (105, 6149184), (112, 5764860), (120, 5380536), (126, 5124320), (140, 4611888), (144, 4483780), (160, 4035402), (168, 3843240), (180, 3587024), (192, 3362835), (210, 3074592), (224, 2882430), (240, 2690268), (252, 2562160), (280, 2305944), (288, 2241890), (315, 2049728), (320, 2017701), (336, 1921620), (360, 1793512), (420, 1537296), (448, 1441215), (480, 1345134), (504, 1281080), (560, 1152972), (576, 1120945), (630, 1024864), (672, 960810), (720, 896756), (840, 768648), (960, 672567), (1008, 640540), (1120, 576486), (1260, 512432), (1344, 480405), (1440, 448378), (1680, 384324), (2016, 320270), (2240, 288243), (2520, 256216), (2880, 224189), (3360, 192162), (4032, 160135), (5040, 128108), (6720, 96081), (10080, 64054), (20160, 32027)]