16281240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{347}}^1$

素因数の和:401

約数の個数: 128

約数和(自身を含む): 54120960

約数和(自身を除く): 37839720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 23, 24, 30, 34, 40, 46, 51, 60, 68, 69, 85, 92, 102, 115, 120, 136, 138, 170, 184, 204, 230, 255, 276, 340, 345, 347, 391, 408, 460, 510, 552, 680, 690, 694, 782, 920, 1020, 1041, 1173, 1380, 1388, 1564, 1735, 1955, 2040, 2082, 2346, 2760, 2776, 3128, 3470, 3910, 4164, 4692, 5205, 5865, 5899, 6940, 7820, 7981, 8328, 9384, 10410, 11730, 11798, 13880, 15640, 15962, 17697, 20820, 23460, 23596, 23943, 29495, 31924, 35394, 39905, 41640, 46920, 47192, 47886, 58990, 63848, 70788, 79810, 88485, 95772, 117980, 119715, 135677, 141576, 159620, 176970, 191544, 235960, 239430, 271354, 319240, 353940, 407031, 478860, 542708, 678385, 707880, 814062, 957720, 1085416, 1356770, 1628124, 2035155, 2713540, 3256248, 4070310, 5427080, 8140620, 16281240]

約数ペア:

[(1, 16281240), (2, 8140620), (3, 5427080), (4, 4070310), (5, 3256248), (6, 2713540), (8, 2035155), (10, 1628124), (12, 1356770), (15, 1085416), (17, 957720), (20, 814062), (23, 707880), (24, 678385), (30, 542708), (34, 478860), (40, 407031), (46, 353940), (51, 319240), (60, 271354), (68, 239430), (69, 235960), (85, 191544), (92, 176970), (102, 159620), (115, 141576), (120, 135677), (136, 119715), (138, 117980), (170, 95772), (184, 88485), (204, 79810), (230, 70788), (255, 63848), (276, 58990), (340, 47886), (345, 47192), (347, 46920), (391, 41640), (408, 39905), (460, 35394), (510, 31924), (552, 29495), (680, 23943), (690, 23596), (694, 23460), (782, 20820), (920, 17697), (1020, 15962), (1041, 15640), (1173, 13880), (1380, 11798), (1388, 11730), (1564, 10410), (1735, 9384), (1955, 8328), (2040, 7981), (2082, 7820), (2346, 6940), (2760, 5899), (2776, 5865), (3128, 5205), (3470, 4692), (3910, 4164)]