489394920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{347}}^1$

素因数の和:464

約数の個数: 256

約数和(自身を含む): 1779978240

約数和(自身を除く): 1290583320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 56, 60, 69, 70, 73, 84, 92, 105, 115, 120, 138, 140, 146, 161, 168, 184, 210, 219, 230, 276, 280, 292, 322, 345, 347, 365, 420, 438, 460, 483, 511, 552, 584, 644, 690, 694, 730, 805, 840, 876, 920, 966, 1022, 1041, 1095, 1288, 1380, 1388, 1460, 1533, 1610, 1679, 1735, 1752, 1932, 2044, 2082, 2190, 2415, 2429, 2555, 2760, 2776, 2920, 3066, 3220, 3358, 3470, 3864, 4088, 4164, 4380, 4830, 4858, 5037, 5110, 5205, 6132, 6440, 6716, 6940, 7287, 7665, 7981, 8328, 8395, 8760, 9660, 9716, 10074, 10220, 10410, 11753, 12145, 12264, 13432, 13880, 14574, 15330, 15962, 16790, 19320, 19432, 20148, 20440, 20820, 23506, 23943, 24290, 25185, 25331, 29148, 30660, 31924, 33580, 35259, 36435, 39905, 40296, 41640, 47012, 47886, 48580, 50370, 50662, 55867, 58296, 58765, 61320, 63848, 67160, 70518, 72870, 75993, 79810, 94024, 95772, 97160, 100740, 101324, 111734, 117530, 119715, 126655, 141036, 145740, 151986, 159620, 167601, 176295, 177317, 191544, 201480, 202648, 223468, 235060, 239430, 253310, 279335, 282072, 291480, 303972, 319240, 335202, 352590, 354634, 379965, 446936, 470120, 478860, 506620, 531951, 558670, 582613, 607944, 670404, 705180, 709268, 759930, 838005, 886585, 957720, 1013240, 1063902, 1117340, 1165226, 1340808, 1410360, 1418536, 1519860, 1676010, 1747839, 1773170, 2127804, 2234680, 2330452, 2659755, 2913065, 3039720, 3352020, 3495678, 3546340, 4078291, 4255608, 4660904, 5319510, 5826130, 6704040, 6991356, 7092680, 8156582, 8739195, 10639020, 11652260, 12234873, 13982712, 16313164, 17478390, 20391455, 21278040, 23304520, 24469746, 32626328, 34956780, 40782910, 48939492, 61174365, 69913560, 81565820, 97878984, 122348730, 163131640, 244697460, 489394920]

約数ペア:

[(1, 489394920), (2, 244697460), (3, 163131640), (4, 122348730), (5, 97878984), (6, 81565820), (7, 69913560), (8, 61174365), (10, 48939492), (12, 40782910), (14, 34956780), (15, 32626328), (20, 24469746), (21, 23304520), (23, 21278040), (24, 20391455), (28, 17478390), (30, 16313164), (35, 13982712), (40, 12234873), (42, 11652260), (46, 10639020), (56, 8739195), (60, 8156582), (69, 7092680), (70, 6991356), (73, 6704040), (84, 5826130), (92, 5319510), (105, 4660904), (115, 4255608), (120, 4078291), (138, 3546340), (140, 3495678), (146, 3352020), (161, 3039720), (168, 2913065), (184, 2659755), (210, 2330452), (219, 2234680), (230, 2127804), (276, 1773170), (280, 1747839), (292, 1676010), (322, 1519860), (345, 1418536), (347, 1410360), (365, 1340808), (420, 1165226), (438, 1117340), (460, 1063902), (483, 1013240), (511, 957720), (552, 886585), (584, 838005), (644, 759930), (690, 709268), (694, 705180), (730, 670404), (805, 607944), (840, 582613), (876, 558670), (920, 531951), (966, 506620), (1022, 478860), (1041, 470120), (1095, 446936), (1288, 379965), (1380, 354634), (1388, 352590), (1460, 335202), (1533, 319240), (1610, 303972), (1679, 291480), (1735, 282072), (1752, 279335), (1932, 253310), (2044, 239430), (2082, 235060), (2190, 223468), (2415, 202648), (2429, 201480), (2555, 191544), (2760, 177317), (2776, 176295), (2920, 167601), (3066, 159620), (3220, 151986), (3358, 145740), (3470, 141036), (3864, 126655), (4088, 119715), (4164, 117530), (4380, 111734), (4830, 101324), (4858, 100740), (5037, 97160), (5110, 95772), (5205, 94024), (6132, 79810), (6440, 75993), (6716, 72870), (6940, 70518), (7287, 67160), (7665, 63848), (7981, 61320), (8328, 58765), (8395, 58296), (8760, 55867), (9660, 50662), (9716, 50370), (10074, 48580), (10220, 47886), (10410, 47012), (11753, 41640), (12145, 40296), (12264, 39905), (13432, 36435), (13880, 35259), (14574, 33580), (15330, 31924), (15962, 30660), (16790, 29148), (19320, 25331), (19432, 25185), (20148, 24290), (20440, 23943), (20820, 23506)]