312356520

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{523}}^1$

素因数の和:629

約数の個数: 256

約数和(自身を含む): 1207296000

約数和(自身を除く): 894939480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 79, 84, 90, 105, 108, 120, 126, 135, 140, 158, 168, 180, 189, 210, 216, 237, 252, 270, 280, 315, 316, 360, 378, 395, 420, 474, 504, 523, 540, 553, 630, 632, 711, 756, 790, 840, 945, 948, 1046, 1080, 1106, 1185, 1260, 1422, 1512, 1569, 1580, 1659, 1890, 1896, 2092, 2133, 2212, 2370, 2520, 2615, 2765, 2844, 3138, 3160, 3318, 3555, 3661, 3780, 4184, 4266, 4424, 4707, 4740, 4977, 5230, 5530, 5688, 6276, 6636, 7110, 7322, 7560, 7845, 8295, 8532, 9414, 9480, 9954, 10460, 10665, 10983, 11060, 12552, 13272, 14121, 14220, 14644, 14931, 15690, 16590, 17064, 18305, 18828, 19908, 20920, 21330, 21966, 22120, 23535, 24885, 28242, 28440, 29288, 29862, 31380, 32949, 33180, 36610, 37656, 39816, 41317, 42660, 43932, 47070, 49770, 54915, 56484, 59724, 62760, 65898, 66360, 70605, 73220, 74655, 82634, 85320, 87864, 94140, 98847, 99540, 109830, 112968, 119448, 123951, 131796, 141210, 146440, 149310, 164745, 165268, 188280, 197694, 199080, 206585, 219660, 247902, 263592, 282420, 289219, 298620, 329490, 330536, 371853, 395388, 413170, 439320, 494235, 495804, 564840, 578438, 597240, 619755, 658980, 743706, 790776, 826340, 867657, 988470, 991608, 1115559, 1156876, 1239510, 1317960, 1446095, 1487412, 1652680, 1735314, 1859265, 1976940, 2231118, 2313752, 2479020, 2602971, 2892190, 2974824, 3470628, 3718530, 3953880, 4338285, 4462236, 4958040, 5205942, 5577795, 5784380, 6941256, 7437060, 7808913, 8676570, 8924472, 10411884, 11155590, 11568760, 13014855, 14874120, 15617826, 17353140, 20823768, 22311180, 26029710, 31235652, 34706280, 39044565, 44622360, 52059420, 62471304, 78089130, 104118840, 156178260, 312356520]

約数ペア:

[(1, 312356520), (2, 156178260), (3, 104118840), (4, 78089130), (5, 62471304), (6, 52059420), (7, 44622360), (8, 39044565), (9, 34706280), (10, 31235652), (12, 26029710), (14, 22311180), (15, 20823768), (18, 17353140), (20, 15617826), (21, 14874120), (24, 13014855), (27, 11568760), (28, 11155590), (30, 10411884), (35, 8924472), (36, 8676570), (40, 7808913), (42, 7437060), (45, 6941256), (54, 5784380), (56, 5577795), (60, 5205942), (63, 4958040), (70, 4462236), (72, 4338285), (79, 3953880), (84, 3718530), (90, 3470628), (105, 2974824), (108, 2892190), (120, 2602971), (126, 2479020), (135, 2313752), (140, 2231118), (158, 1976940), (168, 1859265), (180, 1735314), (189, 1652680), (210, 1487412), (216, 1446095), (237, 1317960), (252, 1239510), (270, 1156876), (280, 1115559), (315, 991608), (316, 988470), (360, 867657), (378, 826340), (395, 790776), (420, 743706), (474, 658980), (504, 619755), (523, 597240), (540, 578438), (553, 564840), (630, 495804), (632, 494235), (711, 439320), (756, 413170), (790, 395388), (840, 371853), (945, 330536), (948, 329490), (1046, 298620), (1080, 289219), (1106, 282420), (1185, 263592), (1260, 247902), (1422, 219660), (1512, 206585), (1569, 199080), (1580, 197694), (1659, 188280), (1890, 165268), (1896, 164745), (2092, 149310), (2133, 146440), (2212, 141210), (2370, 131796), (2520, 123951), (2615, 119448), (2765, 112968), (2844, 109830), (3138, 99540), (3160, 98847), (3318, 94140), (3555, 87864), (3661, 85320), (3780, 82634), (4184, 74655), (4266, 73220), (4424, 70605), (4707, 66360), (4740, 65898), (4977, 62760), (5230, 59724), (5530, 56484), (5688, 54915), (6276, 49770), (6636, 47070), (7110, 43932), (7322, 42660), (7560, 41317), (7845, 39816), (8295, 37656), (8532, 36610), (9414, 33180), (9480, 32949), (9954, 31380), (10460, 29862), (10665, 29288), (10983, 28440), (11060, 28242), (12552, 24885), (13272, 23535), (14121, 22120), (14220, 21966), (14644, 21330), (14931, 20920), (15690, 19908), (16590, 18828), (17064, 18305)]