28941360

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{107}}^1$

素因数の和:160

約数の個数: 240

約数和(自身を含む): 109921536

約数和(自身を除く): 80980176

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 48, 49, 56, 60, 69, 70, 80, 84, 92, 98, 105, 107, 112, 115, 120, 138, 140, 147, 161, 168, 184, 196, 210, 214, 230, 240, 245, 276, 280, 294, 321, 322, 336, 345, 368, 392, 420, 428, 460, 483, 490, 535, 552, 560, 588, 642, 644, 690, 735, 749, 784, 805, 840, 856, 920, 966, 980, 1070, 1104, 1127, 1176, 1284, 1288, 1380, 1470, 1498, 1605, 1610, 1680, 1712, 1840, 1932, 1960, 2140, 2247, 2254, 2352, 2415, 2461, 2568, 2576, 2760, 2940, 2996, 3210, 3220, 3381, 3745, 3864, 3920, 4280, 4494, 4508, 4830, 4922, 5136, 5243, 5520, 5635, 5880, 5992, 6420, 6440, 6762, 7383, 7490, 7728, 8560, 8988, 9016, 9660, 9844, 10486, 11235, 11270, 11760, 11984, 12305, 12840, 12880, 13524, 14766, 14980, 15729, 16905, 17227, 17976, 18032, 19320, 19688, 20972, 22470, 22540, 24610, 25680, 26215, 27048, 29532, 29960, 31458, 33810, 34454, 35952, 36915, 38640, 39376, 41944, 44940, 45080, 49220, 51681, 52430, 54096, 59064, 59920, 62916, 67620, 68908, 73830, 78645, 83888, 86135, 89880, 90160, 98440, 103362, 104860, 118128, 120589, 125832, 135240, 137816, 147660, 157290, 172270, 179760, 196880, 206724, 209720, 241178, 251664, 258405, 270480, 275632, 295320, 314580, 344540, 361767, 413448, 419440, 482356, 516810, 590640, 602945, 629160, 689080, 723534, 826896, 964712, 1033620, 1205890, 1258320, 1378160, 1447068, 1808835, 1929424, 2067240, 2411780, 2894136, 3617670, 4134480, 4823560, 5788272, 7235340, 9647120, 14470680, 28941360]

約数ペア:

[(1, 28941360), (2, 14470680), (3, 9647120), (4, 7235340), (5, 5788272), (6, 4823560), (7, 4134480), (8, 3617670), (10, 2894136), (12, 2411780), (14, 2067240), (15, 1929424), (16, 1808835), (20, 1447068), (21, 1378160), (23, 1258320), (24, 1205890), (28, 1033620), (30, 964712), (35, 826896), (40, 723534), (42, 689080), (46, 629160), (48, 602945), (49, 590640), (56, 516810), (60, 482356), (69, 419440), (70, 413448), (80, 361767), (84, 344540), (92, 314580), (98, 295320), (105, 275632), (107, 270480), (112, 258405), (115, 251664), (120, 241178), (138, 209720), (140, 206724), (147, 196880), (161, 179760), (168, 172270), (184, 157290), (196, 147660), (210, 137816), (214, 135240), (230, 125832), (240, 120589), (245, 118128), (276, 104860), (280, 103362), (294, 98440), (321, 90160), (322, 89880), (336, 86135), (345, 83888), (368, 78645), (392, 73830), (420, 68908), (428, 67620), (460, 62916), (483, 59920), (490, 59064), (535, 54096), (552, 52430), (560, 51681), (588, 49220), (642, 45080), (644, 44940), (690, 41944), (735, 39376), (749, 38640), (784, 36915), (805, 35952), (840, 34454), (856, 33810), (920, 31458), (966, 29960), (980, 29532), (1070, 27048), (1104, 26215), (1127, 25680), (1176, 24610), (1284, 22540), (1288, 22470), (1380, 20972), (1470, 19688), (1498, 19320), (1605, 18032), (1610, 17976), (1680, 17227), (1712, 16905), (1840, 15729), (1932, 14980), (1960, 14766), (2140, 13524), (2247, 12880), (2254, 12840), (2352, 12305), (2415, 11984), (2461, 11760), (2568, 11270), (2576, 11235), (2760, 10486), (2940, 9844), (2996, 9660), (3210, 9016), (3220, 8988), (3381, 8560), (3745, 7728), (3864, 7490), (3920, 7383), (4280, 6762), (4494, 6440), (4508, 6420), (4830, 5992), (4922, 5880), (5136, 5635), (5243, 5520)]