28472880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:179

約数の個数: 160

約数和(自身を含む): 94279680

約数和(自身を除く): 65806800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 43, 48, 60, 62, 80, 86, 89, 93, 120, 124, 129, 155, 172, 178, 186, 215, 240, 248, 258, 267, 310, 344, 356, 372, 430, 445, 465, 496, 516, 534, 620, 645, 688, 712, 744, 860, 890, 930, 1032, 1068, 1240, 1290, 1333, 1335, 1424, 1488, 1720, 1780, 1860, 2064, 2136, 2480, 2580, 2666, 2670, 2759, 3440, 3560, 3720, 3827, 3999, 4272, 5160, 5332, 5340, 5518, 6665, 7120, 7440, 7654, 7998, 8277, 10320, 10664, 10680, 11036, 11481, 13330, 13795, 15308, 15996, 16554, 19135, 19995, 21328, 21360, 22072, 22962, 26660, 27590, 30616, 31992, 33108, 38270, 39990, 41385, 44144, 45924, 53320, 55180, 57405, 61232, 63984, 66216, 76540, 79980, 82770, 91848, 106640, 110360, 114810, 118637, 132432, 153080, 159960, 165540, 183696, 220720, 229620, 237274, 306160, 319920, 331080, 355911, 459240, 474548, 593185, 662160, 711822, 918480, 949096, 1186370, 1423644, 1779555, 1898192, 2372740, 2847288, 3559110, 4745480, 5694576, 7118220, 9490960, 14236440, 28472880]

約数ペア:

[(1, 28472880), (2, 14236440), (3, 9490960), (4, 7118220), (5, 5694576), (6, 4745480), (8, 3559110), (10, 2847288), (12, 2372740), (15, 1898192), (16, 1779555), (20, 1423644), (24, 1186370), (30, 949096), (31, 918480), (40, 711822), (43, 662160), (48, 593185), (60, 474548), (62, 459240), (80, 355911), (86, 331080), (89, 319920), (93, 306160), (120, 237274), (124, 229620), (129, 220720), (155, 183696), (172, 165540), (178, 159960), (186, 153080), (215, 132432), (240, 118637), (248, 114810), (258, 110360), (267, 106640), (310, 91848), (344, 82770), (356, 79980), (372, 76540), (430, 66216), (445, 63984), (465, 61232), (496, 57405), (516, 55180), (534, 53320), (620, 45924), (645, 44144), (688, 41385), (712, 39990), (744, 38270), (860, 33108), (890, 31992), (930, 30616), (1032, 27590), (1068, 26660), (1240, 22962), (1290, 22072), (1333, 21360), (1335, 21328), (1424, 19995), (1488, 19135), (1720, 16554), (1780, 15996), (1860, 15308), (2064, 13795), (2136, 13330), (2480, 11481), (2580, 11036), (2666, 10680), (2670, 10664), (2759, 10320), (3440, 8277), (3560, 7998), (3720, 7654), (3827, 7440), (3999, 7120), (4272, 6665), (5160, 5518), (5332, 5340)]