64312920

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1$

素因数の和:255

約数の個数: 256

約数和(自身を含む): 251596800

約数和(自身を除く): 187283880

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, 47, 54, 56, 60, 63, 70, 72, 84, 90, 94, 105, 108, 120, 126, 135, 140, 141, 168, 180, 181, 188, 189, 210, 216, 235, 252, 270, 280, 282, 315, 329, 360, 362, 376, 378, 420, 423, 470, 504, 540, 543, 564, 630, 658, 705, 724, 756, 840, 846, 905, 940, 945, 987, 1080, 1086, 1128, 1260, 1267, 1269, 1316, 1410, 1448, 1512, 1629, 1645, 1692, 1810, 1880, 1890, 1974, 2115, 2172, 2520, 2534, 2538, 2632, 2715, 2820, 2961, 3258, 3290, 3384, 3620, 3780, 3801, 3948, 4230, 4344, 4887, 4935, 5068, 5076, 5430, 5640, 5922, 6335, 6345, 6516, 6580, 7240, 7560, 7602, 7896, 8145, 8460, 8507, 8883, 9774, 9870, 10136, 10152, 10860, 11403, 11844, 12670, 12690, 13032, 13160, 14805, 15204, 16290, 16920, 17014, 17766, 19005, 19548, 19740, 21720, 22806, 23688, 24435, 25340, 25380, 25521, 29610, 30408, 32580, 34028, 34209, 35532, 38010, 39096, 39480, 42535, 44415, 45612, 48870, 50680, 50760, 51042, 57015, 59220, 59549, 65160, 68056, 68418, 71064, 76020, 76563, 85070, 88830, 91224, 97740, 102084, 114030, 118440, 119098, 127605, 136836, 152040, 153126, 170140, 171045, 177660, 178647, 195480, 204168, 228060, 229689, 238196, 255210, 273672, 297745, 306252, 340280, 342090, 355320, 357294, 382815, 456120, 459378, 476392, 510420, 535941, 595490, 612504, 684180, 714588, 765630, 893235, 918756, 1020840, 1071882, 1148445, 1190980, 1368360, 1429176, 1531260, 1607823, 1786470, 1837512, 2143764, 2296890, 2381960, 2679705, 3062520, 3215646, 3572940, 4287528, 4593780, 5359410, 6431292, 7145880, 8039115, 9187560, 10718820, 12862584, 16078230, 21437640, 32156460, 64312920]

約数ペア:

[(1, 64312920), (2, 32156460), (3, 21437640), (4, 16078230), (5, 12862584), (6, 10718820), (7, 9187560), (8, 8039115), (9, 7145880), (10, 6431292), (12, 5359410), (14, 4593780), (15, 4287528), (18, 3572940), (20, 3215646), (21, 3062520), (24, 2679705), (27, 2381960), (28, 2296890), (30, 2143764), (35, 1837512), (36, 1786470), (40, 1607823), (42, 1531260), (45, 1429176), (47, 1368360), (54, 1190980), (56, 1148445), (60, 1071882), (63, 1020840), (70, 918756), (72, 893235), (84, 765630), (90, 714588), (94, 684180), (105, 612504), (108, 595490), (120, 535941), (126, 510420), (135, 476392), (140, 459378), (141, 456120), (168, 382815), (180, 357294), (181, 355320), (188, 342090), (189, 340280), (210, 306252), (216, 297745), (235, 273672), (252, 255210), (270, 238196), (280, 229689), (282, 228060), (315, 204168), (329, 195480), (360, 178647), (362, 177660), (376, 171045), (378, 170140), (420, 153126), (423, 152040), (470, 136836), (504, 127605), (540, 119098), (543, 118440), (564, 114030), (630, 102084), (658, 97740), (705, 91224), (724, 88830), (756, 85070), (840, 76563), (846, 76020), (905, 71064), (940, 68418), (945, 68056), (987, 65160), (1080, 59549), (1086, 59220), (1128, 57015), (1260, 51042), (1267, 50760), (1269, 50680), (1316, 48870), (1410, 45612), (1448, 44415), (1512, 42535), (1629, 39480), (1645, 39096), (1692, 38010), (1810, 35532), (1880, 34209), (1890, 34028), (1974, 32580), (2115, 30408), (2172, 29610), (2520, 25521), (2534, 25380), (2538, 25340), (2632, 24435), (2715, 23688), (2820, 22806), (2961, 21720), (3258, 19740), (3290, 19548), (3384, 19005), (3620, 17766), (3780, 17014), (3801, 16920), (3948, 16290), (4230, 15204), (4344, 14805), (4887, 13160), (4935, 13032), (5068, 12690), (5076, 12670), (5430, 11844), (5640, 11403), (5922, 10860), (6335, 10152), (6345, 10136), (6516, 9870), (6580, 9774), (7240, 8883), (7560, 8507), (7602, 8460), (7896, 8145)]