15638040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{359}}^1$

素因数の和:398

約数の個数: 144

約数和(自身を含む): 56019600

約数和(自身を除く): 40381560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 121, 132, 165, 180, 198, 220, 242, 264, 330, 359, 360, 363, 396, 440, 484, 495, 605, 660, 718, 726, 792, 968, 990, 1077, 1089, 1210, 1320, 1436, 1452, 1795, 1815, 1980, 2154, 2178, 2420, 2872, 2904, 3231, 3590, 3630, 3949, 3960, 4308, 4356, 4840, 5385, 5445, 6462, 7180, 7260, 7898, 8616, 8712, 10770, 10890, 11847, 12924, 14360, 14520, 15796, 16155, 19745, 21540, 21780, 23694, 25848, 31592, 32310, 35541, 39490, 43080, 43439, 43560, 47388, 59235, 64620, 71082, 78980, 86878, 94776, 118470, 129240, 130317, 142164, 157960, 173756, 177705, 217195, 236940, 260634, 284328, 347512, 355410, 390951, 434390, 473880, 521268, 651585, 710820, 781902, 868780, 1042536, 1303170, 1421640, 1563804, 1737560, 1954755, 2606340, 3127608, 3909510, 5212680, 7819020, 15638040]

約数ペア:

[(1, 15638040), (2, 7819020), (3, 5212680), (4, 3909510), (5, 3127608), (6, 2606340), (8, 1954755), (9, 1737560), (10, 1563804), (11, 1421640), (12, 1303170), (15, 1042536), (18, 868780), (20, 781902), (22, 710820), (24, 651585), (30, 521268), (33, 473880), (36, 434390), (40, 390951), (44, 355410), (45, 347512), (55, 284328), (60, 260634), (66, 236940), (72, 217195), (88, 177705), (90, 173756), (99, 157960), (110, 142164), (120, 130317), (121, 129240), (132, 118470), (165, 94776), (180, 86878), (198, 78980), (220, 71082), (242, 64620), (264, 59235), (330, 47388), (359, 43560), (360, 43439), (363, 43080), (396, 39490), (440, 35541), (484, 32310), (495, 31592), (605, 25848), (660, 23694), (718, 21780), (726, 21540), (792, 19745), (968, 16155), (990, 15796), (1077, 14520), (1089, 14360), (1210, 12924), (1320, 11847), (1436, 10890), (1452, 10770), (1795, 8712), (1815, 8616), (1980, 7898), (2154, 7260), (2178, 7180), (2420, 6462), (2872, 5445), (2904, 5385), (3231, 4840), (3590, 4356), (3630, 4308), (3949, 3960)]