478653840

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{31657}}^1$

素因数の和:31686

約数の個数: 160

約数和(自身を含む): 1884284160

約数和(自身を除く): 1405630320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1512, 1680, 1890, 2160, 2520, 3024, 3780, 5040, 7560, 15120, 31657, 63314, 94971, 126628, 158285, 189942, 221599, 253256, 284913, 316570, 379884, 443198, 474855, 506512, 569826, 633140, 664797, 759768, 854739, 886396, 949710, 1107995, 1139652, 1266280, 1329594, 1424565, 1519536, 1709478, 1772792, 1899420, 1994391, 2215990, 2279304, 2532560, 2659188, 2849130, 3323985, 3418956, 3545584, 3798840, 3988782, 4273695, 4431980, 4558608, 5318376, 5698260, 5983173, 6647970, 6837912, 7597680, 7977564, 8547390, 8863960, 9971955, 10636752, 11396520, 11966346, 13295940, 13675824, 15955128, 17094780, 17727920, 19943910, 22793040, 23932692, 26591880, 29915865, 31910256, 34189560, 39887820, 47865384, 53183760, 59831730, 68379120, 79775640, 95730768, 119663460, 159551280, 239326920, 478653840]

約数ペア:

[(1, 478653840), (2, 239326920), (3, 159551280), (4, 119663460), (5, 95730768), (6, 79775640), (7, 68379120), (8, 59831730), (9, 53183760), (10, 47865384), (12, 39887820), (14, 34189560), (15, 31910256), (16, 29915865), (18, 26591880), (20, 23932692), (21, 22793040), (24, 19943910), (27, 17727920), (28, 17094780), (30, 15955128), (35, 13675824), (36, 13295940), (40, 11966346), (42, 11396520), (45, 10636752), (48, 9971955), (54, 8863960), (56, 8547390), (60, 7977564), (63, 7597680), (70, 6837912), (72, 6647970), (80, 5983173), (84, 5698260), (90, 5318376), (105, 4558608), (108, 4431980), (112, 4273695), (120, 3988782), (126, 3798840), (135, 3545584), (140, 3418956), (144, 3323985), (168, 2849130), (180, 2659188), (189, 2532560), (210, 2279304), (216, 2215990), (240, 1994391), (252, 1899420), (270, 1772792), (280, 1709478), (315, 1519536), (336, 1424565), (360, 1329594), (378, 1266280), (420, 1139652), (432, 1107995), (504, 949710), (540, 886396), (560, 854739), (630, 759768), (720, 664797), (756, 633140), (840, 569826), (945, 506512), (1008, 474855), (1080, 443198), (1260, 379884), (1512, 316570), (1680, 284913), (1890, 253256), (2160, 221599), (2520, 189942), (3024, 158285), (3780, 126628), (5040, 94971), (7560, 63314), (15120, 31657)]