642453840

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{6709}}^1$

素因数の和:6754

約数の個数: 240

約数和(自身を含む): 2595964800

約数和(自身を除く): 1953510960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 28, 30, 35, 36, 38, 40, 42, 45, 48, 56, 57, 60, 63, 70, 72, 76, 80, 84, 90, 95, 105, 112, 114, 120, 126, 133, 140, 144, 152, 168, 171, 180, 190, 210, 228, 240, 252, 266, 280, 285, 304, 315, 336, 342, 360, 380, 399, 420, 456, 504, 532, 560, 570, 630, 665, 684, 720, 760, 798, 840, 855, 912, 1008, 1064, 1140, 1197, 1260, 1330, 1368, 1520, 1596, 1680, 1710, 1995, 2128, 2280, 2394, 2520, 2660, 2736, 3192, 3420, 3990, 4560, 4788, 5040, 5320, 5985, 6384, 6709, 6840, 7980, 9576, 10640, 11970, 13418, 13680, 15960, 19152, 20127, 23940, 26836, 31920, 33545, 40254, 46963, 47880, 53672, 60381, 67090, 80508, 93926, 95760, 100635, 107344, 120762, 127471, 134180, 140889, 161016, 187852, 201270, 234815, 241524, 254942, 268360, 281778, 301905, 322032, 375704, 382413, 402540, 422667, 469630, 483048, 509884, 536720, 563556, 603810, 637355, 704445, 751408, 764826, 805080, 845334, 892297, 939260, 966096, 1019768, 1127112, 1147239, 1207620, 1274710, 1408890, 1529652, 1610160, 1690668, 1784594, 1878520, 1912065, 2039536, 2113335, 2254224, 2294478, 2415240, 2549420, 2676891, 2817780, 3059304, 3381336, 3569188, 3757040, 3824130, 4226670, 4461485, 4588956, 4830480, 5098840, 5353782, 5635560, 5736195, 6118608, 6762672, 7138376, 7648260, 8030673, 8453340, 8922970, 9177912, 10197680, 10707564, 11271120, 11472390, 13384455, 14276752, 15296520, 16061346, 16906680, 17845940, 18355824, 21415128, 22944780, 26768910, 30593040, 32122692, 33813360, 35691880, 40153365, 42830256, 45889560, 53537820, 64245384, 71383760, 80306730, 91779120, 107075640, 128490768, 160613460, 214151280, 321226920, 642453840]

約数ペア:

[(1, 642453840), (2, 321226920), (3, 214151280), (4, 160613460), (5, 128490768), (6, 107075640), (7, 91779120), (8, 80306730), (9, 71383760), (10, 64245384), (12, 53537820), (14, 45889560), (15, 42830256), (16, 40153365), (18, 35691880), (19, 33813360), (20, 32122692), (21, 30593040), (24, 26768910), (28, 22944780), (30, 21415128), (35, 18355824), (36, 17845940), (38, 16906680), (40, 16061346), (42, 15296520), (45, 14276752), (48, 13384455), (56, 11472390), (57, 11271120), (60, 10707564), (63, 10197680), (70, 9177912), (72, 8922970), (76, 8453340), (80, 8030673), (84, 7648260), (90, 7138376), (95, 6762672), (105, 6118608), (112, 5736195), (114, 5635560), (120, 5353782), (126, 5098840), (133, 4830480), (140, 4588956), (144, 4461485), (152, 4226670), (168, 3824130), (171, 3757040), (180, 3569188), (190, 3381336), (210, 3059304), (228, 2817780), (240, 2676891), (252, 2549420), (266, 2415240), (280, 2294478), (285, 2254224), (304, 2113335), (315, 2039536), (336, 1912065), (342, 1878520), (360, 1784594), (380, 1690668), (399, 1610160), (420, 1529652), (456, 1408890), (504, 1274710), (532, 1207620), (560, 1147239), (570, 1127112), (630, 1019768), (665, 966096), (684, 939260), (720, 892297), (760, 845334), (798, 805080), (840, 764826), (855, 751408), (912, 704445), (1008, 637355), (1064, 603810), (1140, 563556), (1197, 536720), (1260, 509884), (1330, 483048), (1368, 469630), (1520, 422667), (1596, 402540), (1680, 382413), (1710, 375704), (1995, 322032), (2128, 301905), (2280, 281778), (2394, 268360), (2520, 254942), (2660, 241524), (2736, 234815), (3192, 201270), (3420, 187852), (3990, 161016), (4560, 140889), (4788, 134180), (5040, 127471), (5320, 120762), (5985, 107344), (6384, 100635), (6709, 95760), (6840, 93926), (7980, 80508), (9576, 67090), (10640, 60381), (11970, 53672), (13418, 47880), (13680, 46963), (15960, 40254), (19152, 33545), (20127, 31920), (23940, 26836)]