17918040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{257}}^1$

素因数の和:361

約数の個数: 128

約数和(自身を含む): 62415360

約数和(自身を除く): 44497320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 83, 84, 105, 120, 140, 166, 168, 210, 249, 257, 280, 332, 415, 420, 498, 514, 581, 664, 771, 830, 840, 996, 1028, 1162, 1245, 1285, 1542, 1660, 1743, 1799, 1992, 2056, 2324, 2490, 2570, 2905, 3084, 3320, 3486, 3598, 3855, 4648, 4980, 5140, 5397, 5810, 6168, 6972, 7196, 7710, 8715, 8995, 9960, 10280, 10794, 11620, 13944, 14392, 15420, 17430, 17990, 21331, 21588, 23240, 26985, 30840, 34860, 35980, 42662, 43176, 53970, 63993, 69720, 71960, 85324, 106655, 107940, 127986, 149317, 170648, 213310, 215880, 255972, 298634, 319965, 426620, 447951, 511944, 597268, 639930, 746585, 853240, 895902, 1194536, 1279860, 1493170, 1791804, 2239755, 2559720, 2986340, 3583608, 4479510, 5972680, 8959020, 17918040]

約数ペア:

[(1, 17918040), (2, 8959020), (3, 5972680), (4, 4479510), (5, 3583608), (6, 2986340), (7, 2559720), (8, 2239755), (10, 1791804), (12, 1493170), (14, 1279860), (15, 1194536), (20, 895902), (21, 853240), (24, 746585), (28, 639930), (30, 597268), (35, 511944), (40, 447951), (42, 426620), (56, 319965), (60, 298634), (70, 255972), (83, 215880), (84, 213310), (105, 170648), (120, 149317), (140, 127986), (166, 107940), (168, 106655), (210, 85324), (249, 71960), (257, 69720), (280, 63993), (332, 53970), (415, 43176), (420, 42662), (498, 35980), (514, 34860), (581, 30840), (664, 26985), (771, 23240), (830, 21588), (840, 21331), (996, 17990), (1028, 17430), (1162, 15420), (1245, 14392), (1285, 13944), (1542, 11620), (1660, 10794), (1743, 10280), (1799, 9960), (1992, 8995), (2056, 8715), (2324, 7710), (2490, 7196), (2570, 6972), (2905, 6168), (3084, 5810), (3320, 5397), (3486, 5140), (3598, 4980), (3855, 4648)]