391365240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{431}}^1$

素因数の和:522

約数の個数: 256

約数和(自身を含む): 1433272320

約数和(自身を除く): 1041907080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 47, 56, 60, 69, 70, 84, 92, 94, 105, 115, 120, 138, 140, 141, 161, 168, 184, 188, 210, 230, 235, 276, 280, 282, 322, 329, 345, 376, 420, 431, 460, 470, 483, 552, 564, 644, 658, 690, 705, 805, 840, 862, 920, 940, 966, 987, 1081, 1128, 1288, 1293, 1316, 1380, 1410, 1610, 1645, 1724, 1880, 1932, 1974, 2155, 2162, 2415, 2586, 2632, 2760, 2820, 3017, 3220, 3243, 3290, 3448, 3864, 3948, 4310, 4324, 4830, 4935, 5172, 5405, 5640, 6034, 6440, 6465, 6486, 6580, 7567, 7896, 8620, 8648, 9051, 9660, 9870, 9913, 10344, 10810, 12068, 12930, 12972, 13160, 15085, 15134, 16215, 17240, 18102, 19320, 19740, 19826, 20257, 21620, 22701, 24136, 25860, 25944, 29739, 30170, 30268, 32430, 36204, 37835, 39480, 39652, 40514, 43240, 45255, 45402, 49565, 51720, 59478, 60340, 60536, 60771, 64860, 69391, 72408, 75670, 79304, 81028, 90510, 90804, 99130, 101285, 113505, 118956, 120680, 121542, 129720, 138782, 141799, 148695, 151340, 162056, 181020, 181608, 198260, 202570, 208173, 227010, 237912, 243084, 277564, 283598, 297390, 302680, 303855, 346955, 362040, 396520, 405140, 416346, 425397, 454020, 465911, 486168, 555128, 567196, 594780, 607710, 693910, 708995, 810280, 832692, 850794, 908040, 931822, 1040865, 1134392, 1189560, 1215420, 1387820, 1397733, 1417990, 1665384, 1701588, 1863644, 2081730, 2126985, 2329555, 2430840, 2775640, 2795466, 2835980, 3261377, 3403176, 3727288, 4163460, 4253970, 4659110, 5590932, 5671960, 6522754, 6988665, 8326920, 8507940, 9318220, 9784131, 11181864, 13045508, 13977330, 16306885, 17015880, 18636440, 19568262, 26091016, 27954660, 32613770, 39136524, 48920655, 55909320, 65227540, 78273048, 97841310, 130455080, 195682620, 391365240]

約数ペア:

[(1, 391365240), (2, 195682620), (3, 130455080), (4, 97841310), (5, 78273048), (6, 65227540), (7, 55909320), (8, 48920655), (10, 39136524), (12, 32613770), (14, 27954660), (15, 26091016), (20, 19568262), (21, 18636440), (23, 17015880), (24, 16306885), (28, 13977330), (30, 13045508), (35, 11181864), (40, 9784131), (42, 9318220), (46, 8507940), (47, 8326920), (56, 6988665), (60, 6522754), (69, 5671960), (70, 5590932), (84, 4659110), (92, 4253970), (94, 4163460), (105, 3727288), (115, 3403176), (120, 3261377), (138, 2835980), (140, 2795466), (141, 2775640), (161, 2430840), (168, 2329555), (184, 2126985), (188, 2081730), (210, 1863644), (230, 1701588), (235, 1665384), (276, 1417990), (280, 1397733), (282, 1387820), (322, 1215420), (329, 1189560), (345, 1134392), (376, 1040865), (420, 931822), (431, 908040), (460, 850794), (470, 832692), (483, 810280), (552, 708995), (564, 693910), (644, 607710), (658, 594780), (690, 567196), (705, 555128), (805, 486168), (840, 465911), (862, 454020), (920, 425397), (940, 416346), (966, 405140), (987, 396520), (1081, 362040), (1128, 346955), (1288, 303855), (1293, 302680), (1316, 297390), (1380, 283598), (1410, 277564), (1610, 243084), (1645, 237912), (1724, 227010), (1880, 208173), (1932, 202570), (1974, 198260), (2155, 181608), (2162, 181020), (2415, 162056), (2586, 151340), (2632, 148695), (2760, 141799), (2820, 138782), (3017, 129720), (3220, 121542), (3243, 120680), (3290, 118956), (3448, 113505), (3864, 101285), (3948, 99130), (4310, 90804), (4324, 90510), (4830, 81028), (4935, 79304), (5172, 75670), (5405, 72408), (5640, 69391), (6034, 64860), (6440, 60771), (6465, 60536), (6486, 60340), (6580, 59478), (7567, 51720), (7896, 49565), (8620, 45402), (8648, 45255), (9051, 43240), (9660, 40514), (9870, 39652), (9913, 39480), (10344, 37835), (10810, 36204), (12068, 32430), (12930, 30268), (12972, 30170), (13160, 29739), (15085, 25944), (15134, 25860), (16215, 24136), (17240, 22701), (18102, 21620), (19320, 20257), (19740, 19826)]