257539680

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{9413}}^1$

素因数の和:9453

約数の個数: 144

約数和(自身を含む): 925207920

約数和(自身を除く): 667668240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 96, 114, 120, 144, 152, 160, 171, 180, 190, 228, 240, 285, 288, 304, 342, 360, 380, 456, 480, 570, 608, 684, 720, 760, 855, 912, 1140, 1368, 1440, 1520, 1710, 1824, 2280, 2736, 3040, 3420, 4560, 5472, 6840, 9120, 9413, 13680, 18826, 27360, 28239, 37652, 47065, 56478, 75304, 84717, 94130, 112956, 141195, 150608, 169434, 178847, 188260, 225912, 282390, 301216, 338868, 357694, 376520, 423585, 451824, 536541, 564780, 677736, 715388, 753040, 847170, 894235, 903648, 1073082, 1129560, 1355472, 1430776, 1506080, 1609623, 1694340, 1788470, 2146164, 2259120, 2682705, 2710944, 2861552, 3219246, 3388680, 3576940, 4292328, 4518240, 5365410, 5723104, 6438492, 6777360, 7153880, 8048115, 8584656, 10730820, 12876984, 13554720, 14307760, 16096230, 17169312, 21461640, 25753968, 28615520, 32192460, 42923280, 51507936, 64384920, 85846560, 128769840, 257539680]

約数ペア:

[(1, 257539680), (2, 128769840), (3, 85846560), (4, 64384920), (5, 51507936), (6, 42923280), (8, 32192460), (9, 28615520), (10, 25753968), (12, 21461640), (15, 17169312), (16, 16096230), (18, 14307760), (19, 13554720), (20, 12876984), (24, 10730820), (30, 8584656), (32, 8048115), (36, 7153880), (38, 6777360), (40, 6438492), (45, 5723104), (48, 5365410), (57, 4518240), (60, 4292328), (72, 3576940), (76, 3388680), (80, 3219246), (90, 2861552), (95, 2710944), (96, 2682705), (114, 2259120), (120, 2146164), (144, 1788470), (152, 1694340), (160, 1609623), (171, 1506080), (180, 1430776), (190, 1355472), (228, 1129560), (240, 1073082), (285, 903648), (288, 894235), (304, 847170), (342, 753040), (360, 715388), (380, 677736), (456, 564780), (480, 536541), (570, 451824), (608, 423585), (684, 376520), (720, 357694), (760, 338868), (855, 301216), (912, 282390), (1140, 225912), (1368, 188260), (1440, 178847), (1520, 169434), (1710, 150608), (1824, 141195), (2280, 112956), (2736, 94130), (3040, 84717), (3420, 75304), (4560, 56478), (5472, 47065), (6840, 37652), (9120, 28239), (9413, 27360), (13680, 18826)]