28488240

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{109}}^1$

素因数の和:153

約数の個数: 240

約数和(自身を含む): 108847200

約数和(自身を除く): 80358960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 48, 54, 55, 60, 66, 72, 80, 88, 90, 99, 108, 109, 110, 120, 121, 132, 135, 144, 165, 176, 180, 198, 216, 218, 220, 240, 242, 264, 270, 297, 327, 330, 360, 363, 396, 432, 436, 440, 484, 495, 528, 540, 545, 594, 605, 654, 660, 720, 726, 792, 872, 880, 968, 981, 990, 1080, 1089, 1090, 1188, 1199, 1210, 1308, 1320, 1452, 1485, 1584, 1635, 1744, 1815, 1936, 1962, 1980, 2160, 2178, 2180, 2376, 2398, 2420, 2616, 2640, 2904, 2943, 2970, 3267, 3270, 3597, 3630, 3924, 3960, 4356, 4360, 4752, 4796, 4840, 4905, 5232, 5445, 5808, 5886, 5940, 5995, 6534, 6540, 7194, 7260, 7848, 7920, 8712, 8720, 9592, 9680, 9810, 10791, 10890, 11772, 11880, 11990, 13068, 13080, 13189, 14388, 14520, 14715, 15696, 16335, 17424, 17985, 19184, 19620, 21582, 21780, 23544, 23760, 23980, 26136, 26160, 26378, 28776, 29040, 29430, 32373, 32670, 35970, 39240, 39567, 43164, 43560, 47088, 47960, 52272, 52756, 53955, 57552, 58860, 64746, 65340, 65945, 71940, 78480, 79134, 86328, 87120, 95920, 105512, 107910, 117720, 118701, 129492, 130680, 131890, 143880, 158268, 161865, 172656, 197835, 211024, 215820, 235440, 237402, 258984, 261360, 263780, 287760, 316536, 323730, 356103, 395670, 431640, 474804, 517968, 527560, 593505, 633072, 647460, 712206, 791340, 863280, 949608, 1055120, 1187010, 1294920, 1424412, 1582680, 1780515, 1899216, 2374020, 2589840, 2848824, 3165360, 3561030, 4748040, 5697648, 7122060, 9496080, 14244120, 28488240]

約数ペア:

[(1, 28488240), (2, 14244120), (3, 9496080), (4, 7122060), (5, 5697648), (6, 4748040), (8, 3561030), (9, 3165360), (10, 2848824), (11, 2589840), (12, 2374020), (15, 1899216), (16, 1780515), (18, 1582680), (20, 1424412), (22, 1294920), (24, 1187010), (27, 1055120), (30, 949608), (33, 863280), (36, 791340), (40, 712206), (44, 647460), (45, 633072), (48, 593505), (54, 527560), (55, 517968), (60, 474804), (66, 431640), (72, 395670), (80, 356103), (88, 323730), (90, 316536), (99, 287760), (108, 263780), (109, 261360), (110, 258984), (120, 237402), (121, 235440), (132, 215820), (135, 211024), (144, 197835), (165, 172656), (176, 161865), (180, 158268), (198, 143880), (216, 131890), (218, 130680), (220, 129492), (240, 118701), (242, 117720), (264, 107910), (270, 105512), (297, 95920), (327, 87120), (330, 86328), (360, 79134), (363, 78480), (396, 71940), (432, 65945), (436, 65340), (440, 64746), (484, 58860), (495, 57552), (528, 53955), (540, 52756), (545, 52272), (594, 47960), (605, 47088), (654, 43560), (660, 43164), (720, 39567), (726, 39240), (792, 35970), (872, 32670), (880, 32373), (968, 29430), (981, 29040), (990, 28776), (1080, 26378), (1089, 26160), (1090, 26136), (1188, 23980), (1199, 23760), (1210, 23544), (1308, 21780), (1320, 21582), (1452, 19620), (1485, 19184), (1584, 17985), (1635, 17424), (1744, 16335), (1815, 15696), (1936, 14715), (1962, 14520), (1980, 14388), (2160, 13189), (2178, 13080), (2180, 13068), (2376, 11990), (2398, 11880), (2420, 11772), (2616, 10890), (2640, 10791), (2904, 9810), (2943, 9680), (2970, 9592), (3267, 8720), (3270, 8712), (3597, 7920), (3630, 7848), (3924, 7260), (3960, 7194), (4356, 6540), (4360, 6534), (4752, 5995), (4796, 5940), (4840, 5886), (4905, 5808), (5232, 5445)]