18875280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:149

約数の個数: 160

約数和(自身を含む): 62853120

約数和(自身を除く): 43977840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 43, 48, 59, 60, 62, 80, 86, 93, 118, 120, 124, 129, 155, 172, 177, 186, 215, 236, 240, 248, 258, 295, 310, 344, 354, 372, 430, 465, 472, 496, 516, 590, 620, 645, 688, 708, 744, 860, 885, 930, 944, 1032, 1180, 1240, 1290, 1333, 1416, 1488, 1720, 1770, 1829, 1860, 2064, 2360, 2480, 2537, 2580, 2666, 2832, 3440, 3540, 3658, 3720, 3999, 4720, 5074, 5160, 5332, 5487, 6665, 7080, 7316, 7440, 7611, 7998, 9145, 10148, 10320, 10664, 10974, 12685, 13330, 14160, 14632, 15222, 15996, 18290, 19995, 20296, 21328, 21948, 25370, 26660, 27435, 29264, 30444, 31992, 36580, 38055, 39990, 40592, 43896, 50740, 53320, 54870, 60888, 63984, 73160, 76110, 78647, 79980, 87792, 101480, 106640, 109740, 121776, 146320, 152220, 157294, 159960, 202960, 219480, 235941, 304440, 314588, 319920, 393235, 438960, 471882, 608880, 629176, 786470, 943764, 1179705, 1258352, 1572940, 1887528, 2359410, 3145880, 3775056, 4718820, 6291760, 9437640, 18875280]

約数ペア:

[(1, 18875280), (2, 9437640), (3, 6291760), (4, 4718820), (5, 3775056), (6, 3145880), (8, 2359410), (10, 1887528), (12, 1572940), (15, 1258352), (16, 1179705), (20, 943764), (24, 786470), (30, 629176), (31, 608880), (40, 471882), (43, 438960), (48, 393235), (59, 319920), (60, 314588), (62, 304440), (80, 235941), (86, 219480), (93, 202960), (118, 159960), (120, 157294), (124, 152220), (129, 146320), (155, 121776), (172, 109740), (177, 106640), (186, 101480), (215, 87792), (236, 79980), (240, 78647), (248, 76110), (258, 73160), (295, 63984), (310, 60888), (344, 54870), (354, 53320), (372, 50740), (430, 43896), (465, 40592), (472, 39990), (496, 38055), (516, 36580), (590, 31992), (620, 30444), (645, 29264), (688, 27435), (708, 26660), (744, 25370), (860, 21948), (885, 21328), (930, 20296), (944, 19995), (1032, 18290), (1180, 15996), (1240, 15222), (1290, 14632), (1333, 14160), (1416, 13330), (1488, 12685), (1720, 10974), (1770, 10664), (1829, 10320), (1860, 10148), (2064, 9145), (2360, 7998), (2480, 7611), (2537, 7440), (2580, 7316), (2666, 7080), (2832, 6665), (3440, 5487), (3540, 5332), (3658, 5160), (3720, 5074), (3999, 4720)]