26531280

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:266

約数の個数: 160

約数和(自身を含む): 93208320

約数和(自身を除く): 66677040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 71, 72, 80, 90, 108, 120, 135, 142, 144, 173, 180, 213, 216, 240, 270, 284, 346, 355, 360, 426, 432, 519, 540, 568, 639, 692, 710, 720, 852, 865, 1038, 1065, 1080, 1136, 1278, 1384, 1420, 1557, 1704, 1730, 1917, 2076, 2130, 2160, 2556, 2595, 2768, 2840, 3114, 3195, 3408, 3460, 3834, 4152, 4260, 4671, 5112, 5190, 5680, 6228, 6390, 6920, 7668, 7785, 8304, 8520, 9342, 9585, 10224, 10380, 12283, 12456, 12780, 13840, 15336, 15570, 17040, 18684, 19170, 20760, 23355, 24566, 24912, 25560, 30672, 31140, 36849, 37368, 38340, 41520, 46710, 49132, 51120, 61415, 62280, 73698, 74736, 76680, 93420, 98264, 110547, 122830, 124560, 147396, 153360, 184245, 186840, 196528, 221094, 245660, 294792, 331641, 368490, 373680, 442188, 491320, 552735, 589584, 663282, 736980, 884376, 982640, 1105470, 1326564, 1473960, 1658205, 1768752, 2210940, 2653128, 2947920, 3316410, 4421880, 5306256, 6632820, 8843760, 13265640, 26531280]

約数ペア:

[(1, 26531280), (2, 13265640), (3, 8843760), (4, 6632820), (5, 5306256), (6, 4421880), (8, 3316410), (9, 2947920), (10, 2653128), (12, 2210940), (15, 1768752), (16, 1658205), (18, 1473960), (20, 1326564), (24, 1105470), (27, 982640), (30, 884376), (36, 736980), (40, 663282), (45, 589584), (48, 552735), (54, 491320), (60, 442188), (71, 373680), (72, 368490), (80, 331641), (90, 294792), (108, 245660), (120, 221094), (135, 196528), (142, 186840), (144, 184245), (173, 153360), (180, 147396), (213, 124560), (216, 122830), (240, 110547), (270, 98264), (284, 93420), (346, 76680), (355, 74736), (360, 73698), (426, 62280), (432, 61415), (519, 51120), (540, 49132), (568, 46710), (639, 41520), (692, 38340), (710, 37368), (720, 36849), (852, 31140), (865, 30672), (1038, 25560), (1065, 24912), (1080, 24566), (1136, 23355), (1278, 20760), (1384, 19170), (1420, 18684), (1557, 17040), (1704, 15570), (1730, 15336), (1917, 13840), (2076, 12780), (2130, 12456), (2160, 12283), (2556, 10380), (2595, 10224), (2768, 9585), (2840, 9342), (3114, 8520), (3195, 8304), (3408, 7785), (3460, 7668), (3834, 6920), (4152, 6390), (4260, 6228), (4671, 5680), (5112, 5190)]