28838040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3121}}^1$

素因数の和:3153

約数の個数: 128

約数和(自身を含む): 107896320

約数和(自身を除く): 79058280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 55, 56, 60, 66, 70, 77, 84, 88, 105, 110, 120, 132, 140, 154, 165, 168, 210, 220, 231, 264, 280, 308, 330, 385, 420, 440, 462, 616, 660, 770, 840, 924, 1155, 1320, 1540, 1848, 2310, 3080, 3121, 4620, 6242, 9240, 9363, 12484, 15605, 18726, 21847, 24968, 31210, 34331, 37452, 43694, 46815, 62420, 65541, 68662, 74904, 87388, 93630, 102993, 109235, 124840, 131082, 137324, 171655, 174776, 187260, 205986, 218470, 240317, 262164, 274648, 327705, 343310, 374520, 411972, 436940, 480634, 514965, 524328, 655410, 686620, 720951, 823944, 873880, 961268, 1029930, 1201585, 1310820, 1373240, 1441902, 1922536, 2059860, 2403170, 2621640, 2883804, 3604755, 4119720, 4806340, 5767608, 7209510, 9612680, 14419020, 28838040]

約数ペア:

[(1, 28838040), (2, 14419020), (3, 9612680), (4, 7209510), (5, 5767608), (6, 4806340), (7, 4119720), (8, 3604755), (10, 2883804), (11, 2621640), (12, 2403170), (14, 2059860), (15, 1922536), (20, 1441902), (21, 1373240), (22, 1310820), (24, 1201585), (28, 1029930), (30, 961268), (33, 873880), (35, 823944), (40, 720951), (42, 686620), (44, 655410), (55, 524328), (56, 514965), (60, 480634), (66, 436940), (70, 411972), (77, 374520), (84, 343310), (88, 327705), (105, 274648), (110, 262164), (120, 240317), (132, 218470), (140, 205986), (154, 187260), (165, 174776), (168, 171655), (210, 137324), (220, 131082), (231, 124840), (264, 109235), (280, 102993), (308, 93630), (330, 87388), (385, 74904), (420, 68662), (440, 65541), (462, 62420), (616, 46815), (660, 43694), (770, 37452), (840, 34331), (924, 31210), (1155, 24968), (1320, 21847), (1540, 18726), (1848, 15605), (2310, 12484), (3080, 9363), (3121, 9240), (4620, 6242)]