861614280

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{211}}^1$

素因数の和:449

約数の個数: 256

約数和(自身を含む): 3052800000

約数和(自身を除く): 2191185720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 90, 95, 108, 114, 120, 135, 152, 171, 180, 190, 199, 211, 216, 228, 270, 285, 342, 360, 380, 398, 422, 456, 513, 540, 570, 597, 633, 684, 760, 796, 844, 855, 995, 1026, 1055, 1080, 1140, 1194, 1266, 1368, 1592, 1688, 1710, 1791, 1899, 1990, 2052, 2110, 2280, 2388, 2532, 2565, 2985, 3165, 3420, 3582, 3781, 3798, 3980, 4009, 4104, 4220, 4776, 5064, 5130, 5373, 5697, 5970, 6330, 6840, 7164, 7562, 7596, 7960, 8018, 8440, 8955, 9495, 10260, 10746, 11343, 11394, 11940, 12027, 12660, 14328, 15124, 15192, 16036, 17910, 18905, 18990, 20045, 20520, 21492, 22686, 22788, 23880, 24054, 25320, 26865, 28485, 30248, 32072, 34029, 35820, 36081, 37810, 37980, 40090, 41989, 42984, 45372, 45576, 48108, 53730, 56715, 56970, 60135, 68058, 71640, 72162, 75620, 75960, 80180, 83978, 90744, 96216, 102087, 107460, 108243, 113430, 113940, 120270, 125967, 136116, 144324, 151240, 160360, 167956, 170145, 180405, 204174, 209945, 214920, 216486, 226860, 227880, 240540, 251934, 272232, 288648, 335912, 340290, 360810, 377901, 408348, 419890, 432972, 453720, 481080, 503868, 510435, 541215, 629835, 680580, 721620, 755802, 797791, 816696, 839780, 865944, 1007736, 1020870, 1082430, 1133703, 1259670, 1361160, 1443240, 1511604, 1595582, 1679560, 1889505, 2041740, 2164860, 2267406, 2393373, 2519340, 3023208, 3191164, 3779010, 3988955, 4083480, 4329720, 4534812, 4786746, 5038680, 5668515, 6382328, 7180119, 7558020, 7977910, 9069624, 9573492, 11337030, 11966865, 14360238, 15116040, 15955820, 19146984, 21540357, 22674060, 23933730, 28720476, 31911640, 35900595, 43080714, 45348120, 47867460, 57440952, 71801190, 86161428, 95734920, 107701785, 143602380, 172322856, 215403570, 287204760, 430807140, 861614280]

約数ペア:

[(1, 861614280), (2, 430807140), (3, 287204760), (4, 215403570), (5, 172322856), (6, 143602380), (8, 107701785), (9, 95734920), (10, 86161428), (12, 71801190), (15, 57440952), (18, 47867460), (19, 45348120), (20, 43080714), (24, 35900595), (27, 31911640), (30, 28720476), (36, 23933730), (38, 22674060), (40, 21540357), (45, 19146984), (54, 15955820), (57, 15116040), (60, 14360238), (72, 11966865), (76, 11337030), (90, 9573492), (95, 9069624), (108, 7977910), (114, 7558020), (120, 7180119), (135, 6382328), (152, 5668515), (171, 5038680), (180, 4786746), (190, 4534812), (199, 4329720), (211, 4083480), (216, 3988955), (228, 3779010), (270, 3191164), (285, 3023208), (342, 2519340), (360, 2393373), (380, 2267406), (398, 2164860), (422, 2041740), (456, 1889505), (513, 1679560), (540, 1595582), (570, 1511604), (597, 1443240), (633, 1361160), (684, 1259670), (760, 1133703), (796, 1082430), (844, 1020870), (855, 1007736), (995, 865944), (1026, 839780), (1055, 816696), (1080, 797791), (1140, 755802), (1194, 721620), (1266, 680580), (1368, 629835), (1592, 541215), (1688, 510435), (1710, 503868), (1791, 481080), (1899, 453720), (1990, 432972), (2052, 419890), (2110, 408348), (2280, 377901), (2388, 360810), (2532, 340290), (2565, 335912), (2985, 288648), (3165, 272232), (3420, 251934), (3582, 240540), (3781, 227880), (3798, 226860), (3980, 216486), (4009, 214920), (4104, 209945), (4220, 204174), (4776, 180405), (5064, 170145), (5130, 167956), (5373, 160360), (5697, 151240), (5970, 144324), (6330, 136116), (6840, 125967), (7164, 120270), (7562, 113940), (7596, 113430), (7960, 108243), (8018, 107460), (8440, 102087), (8955, 96216), (9495, 90744), (10260, 83978), (10746, 80180), (11343, 75960), (11394, 75620), (11940, 72162), (12027, 71640), (12660, 68058), (14328, 60135), (15124, 56970), (15192, 56715), (16036, 53730), (17910, 48108), (18905, 45576), (18990, 45372), (20045, 42984), (20520, 41989), (21492, 40090), (22686, 37980), (22788, 37810), (23880, 36081), (24054, 35820), (25320, 34029), (26865, 32072), (28485, 30248)]