28110720

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11}}^4$

素因数の和:66

約数の個数: 160

約数和(自身を含む): 98562600

約数和(自身を除く): 70451880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 121, 128, 132, 160, 165, 176, 192, 220, 240, 242, 264, 320, 330, 352, 363, 384, 440, 480, 484, 528, 605, 640, 660, 704, 726, 880, 960, 968, 1056, 1210, 1320, 1331, 1408, 1452, 1760, 1815, 1920, 1936, 2112, 2420, 2640, 2662, 2904, 3520, 3630, 3872, 3993, 4224, 4840, 5280, 5324, 5808, 6655, 7040, 7260, 7744, 7986, 9680, 10560, 10648, 11616, 13310, 14520, 14641, 15488, 15972, 19360, 19965, 21120, 21296, 23232, 26620, 29040, 29282, 31944, 38720, 39930, 42592, 43923, 46464, 53240, 58080, 58564, 63888, 73205, 77440, 79860, 85184, 87846, 106480, 116160, 117128, 127776, 146410, 159720, 170368, 175692, 212960, 219615, 232320, 234256, 255552, 292820, 319440, 351384, 425920, 439230, 468512, 511104, 585640, 638880, 702768, 851840, 878460, 937024, 1171280, 1277760, 1405536, 1756920, 1874048, 2342560, 2555520, 2811072, 3513840, 4685120, 5622144, 7027680, 9370240, 14055360, 28110720]

約数ペア:

[(1, 28110720), (2, 14055360), (3, 9370240), (4, 7027680), (5, 5622144), (6, 4685120), (8, 3513840), (10, 2811072), (11, 2555520), (12, 2342560), (15, 1874048), (16, 1756920), (20, 1405536), (22, 1277760), (24, 1171280), (30, 937024), (32, 878460), (33, 851840), (40, 702768), (44, 638880), (48, 585640), (55, 511104), (60, 468512), (64, 439230), (66, 425920), (80, 351384), (88, 319440), (96, 292820), (110, 255552), (120, 234256), (121, 232320), (128, 219615), (132, 212960), (160, 175692), (165, 170368), (176, 159720), (192, 146410), (220, 127776), (240, 117128), (242, 116160), (264, 106480), (320, 87846), (330, 85184), (352, 79860), (363, 77440), (384, 73205), (440, 63888), (480, 58564), (484, 58080), (528, 53240), (605, 46464), (640, 43923), (660, 42592), (704, 39930), (726, 38720), (880, 31944), (960, 29282), (968, 29040), (1056, 26620), (1210, 23232), (1320, 21296), (1331, 21120), (1408, 19965), (1452, 19360), (1760, 15972), (1815, 15488), (1920, 14641), (1936, 14520), (2112, 13310), (2420, 11616), (2640, 10648), (2662, 10560), (2904, 9680), (3520, 7986), (3630, 7744), (3872, 7260), (3993, 7040), (4224, 6655), (4840, 5808), (5280, 5324)]