613691280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{20789}}^1$

素因数の和:20849

約数の個数: 120

約数和(自身を含む): 2111349240

約数和(自身を除く): 1497657960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 41, 45, 48, 60, 72, 80, 82, 90, 120, 123, 144, 164, 180, 205, 240, 246, 328, 360, 369, 410, 492, 615, 656, 720, 738, 820, 984, 1230, 1476, 1640, 1845, 1968, 2460, 2952, 3280, 3690, 4920, 5904, 7380, 9840, 14760, 20789, 29520, 41578, 62367, 83156, 103945, 124734, 166312, 187101, 207890, 249468, 311835, 332624, 374202, 415780, 498936, 623670, 748404, 831560, 852349, 935505, 997872, 1247340, 1496808, 1663120, 1704698, 1871010, 2494680, 2557047, 2993616, 3409396, 3742020, 4261745, 4989360, 5114094, 6818792, 7484040, 7671141, 8523490, 10228188, 12785235, 13637584, 14968080, 15342282, 17046980, 20456376, 25570470, 30684564, 34093960, 38355705, 40912752, 51140940, 61369128, 68187920, 76711410, 102281880, 122738256, 153422820, 204563760, 306845640, 613691280]

約数ペア:

[(1, 613691280), (2, 306845640), (3, 204563760), (4, 153422820), (5, 122738256), (6, 102281880), (8, 76711410), (9, 68187920), (10, 61369128), (12, 51140940), (15, 40912752), (16, 38355705), (18, 34093960), (20, 30684564), (24, 25570470), (30, 20456376), (36, 17046980), (40, 15342282), (41, 14968080), (45, 13637584), (48, 12785235), (60, 10228188), (72, 8523490), (80, 7671141), (82, 7484040), (90, 6818792), (120, 5114094), (123, 4989360), (144, 4261745), (164, 3742020), (180, 3409396), (205, 2993616), (240, 2557047), (246, 2494680), (328, 1871010), (360, 1704698), (369, 1663120), (410, 1496808), (492, 1247340), (615, 997872), (656, 935505), (720, 852349), (738, 831560), (820, 748404), (984, 623670), (1230, 498936), (1476, 415780), (1640, 374202), (1845, 332624), (1968, 311835), (2460, 249468), (2952, 207890), (3280, 187101), (3690, 166312), (4920, 124734), (5904, 103945), (7380, 83156), (9840, 62367), (14760, 41578), (20789, 29520)]