256730040

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1171}}^1$

素因数の和:1227

約数の個数: 256

約数和(自身を含む): 1012608000

約数和(自身を除く): 755877960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 29, 30, 35, 36, 40, 42, 45, 54, 56, 58, 60, 63, 70, 72, 84, 87, 90, 105, 108, 116, 120, 126, 135, 140, 145, 168, 174, 180, 189, 203, 210, 216, 232, 252, 261, 270, 280, 290, 315, 348, 360, 378, 406, 420, 435, 504, 522, 540, 580, 609, 630, 696, 756, 783, 812, 840, 870, 945, 1015, 1044, 1080, 1160, 1171, 1218, 1260, 1305, 1512, 1566, 1624, 1740, 1827, 1890, 2030, 2088, 2342, 2436, 2520, 2610, 3045, 3132, 3480, 3513, 3654, 3780, 3915, 4060, 4684, 4872, 5220, 5481, 5855, 6090, 6264, 7026, 7308, 7560, 7830, 8120, 8197, 9135, 9368, 10440, 10539, 10962, 11710, 12180, 14052, 14616, 15660, 16394, 17565, 18270, 21078, 21924, 23420, 24360, 24591, 27405, 28104, 31320, 31617, 32788, 33959, 35130, 36540, 40985, 42156, 43848, 46840, 49182, 52695, 54810, 63234, 65576, 67918, 70260, 73080, 73773, 81970, 84312, 98364, 101877, 105390, 109620, 122955, 126468, 135836, 140520, 147546, 158085, 163940, 169795, 196728, 203754, 210780, 219240, 221319, 237713, 245910, 252936, 271672, 295092, 305631, 316170, 327880, 339590, 368865, 407508, 421560, 442638, 475426, 491820, 509385, 590184, 611262, 632340, 679180, 713139, 737730, 815016, 885276, 916893, 950852, 983640, 1018770, 1106595, 1188565, 1222524, 1264680, 1358360, 1426278, 1475460, 1528155, 1770552, 1833786, 1901704, 2037540, 2139417, 2213190, 2377130, 2445048, 2852556, 2950920, 3056310, 3565695, 3667572, 4075080, 4278834, 4426380, 4584465, 4754260, 5705112, 6112620, 6418251, 7131390, 7335144, 8557668, 8852760, 9168930, 9508520, 10697085, 12225240, 12836502, 14262780, 17115336, 18337860, 21394170, 25673004, 28525560, 32091255, 36675720, 42788340, 51346008, 64182510, 85576680, 128365020, 256730040]

約数ペア:

[(1, 256730040), (2, 128365020), (3, 85576680), (4, 64182510), (5, 51346008), (6, 42788340), (7, 36675720), (8, 32091255), (9, 28525560), (10, 25673004), (12, 21394170), (14, 18337860), (15, 17115336), (18, 14262780), (20, 12836502), (21, 12225240), (24, 10697085), (27, 9508520), (28, 9168930), (29, 8852760), (30, 8557668), (35, 7335144), (36, 7131390), (40, 6418251), (42, 6112620), (45, 5705112), (54, 4754260), (56, 4584465), (58, 4426380), (60, 4278834), (63, 4075080), (70, 3667572), (72, 3565695), (84, 3056310), (87, 2950920), (90, 2852556), (105, 2445048), (108, 2377130), (116, 2213190), (120, 2139417), (126, 2037540), (135, 1901704), (140, 1833786), (145, 1770552), (168, 1528155), (174, 1475460), (180, 1426278), (189, 1358360), (203, 1264680), (210, 1222524), (216, 1188565), (232, 1106595), (252, 1018770), (261, 983640), (270, 950852), (280, 916893), (290, 885276), (315, 815016), (348, 737730), (360, 713139), (378, 679180), (406, 632340), (420, 611262), (435, 590184), (504, 509385), (522, 491820), (540, 475426), (580, 442638), (609, 421560), (630, 407508), (696, 368865), (756, 339590), (783, 327880), (812, 316170), (840, 305631), (870, 295092), (945, 271672), (1015, 252936), (1044, 245910), (1080, 237713), (1160, 221319), (1171, 219240), (1218, 210780), (1260, 203754), (1305, 196728), (1512, 169795), (1566, 163940), (1624, 158085), (1740, 147546), (1827, 140520), (1890, 135836), (2030, 126468), (2088, 122955), (2342, 109620), (2436, 105390), (2520, 101877), (2610, 98364), (3045, 84312), (3132, 81970), (3480, 73773), (3513, 73080), (3654, 70260), (3780, 67918), (3915, 65576), (4060, 63234), (4684, 54810), (4872, 52695), (5220, 49182), (5481, 46840), (5855, 43848), (6090, 42156), (6264, 40985), (7026, 36540), (7308, 35130), (7560, 33959), (7830, 32788), (8120, 31617), (8197, 31320), (9135, 28104), (9368, 27405), (10440, 24591), (10539, 24360), (10962, 23420), (11710, 21924), (12180, 21078), (14052, 18270), (14616, 17565), (15660, 16394)]