256902840

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2143}}^1$

素因数の和:2203

約数の個数: 160

約数和(自身を含む): 887230080

約数和(自身を除く): 630327240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 37, 40, 45, 54, 60, 72, 74, 81, 90, 108, 111, 120, 135, 148, 162, 180, 185, 216, 222, 270, 296, 324, 333, 360, 370, 405, 444, 540, 555, 648, 666, 740, 810, 888, 999, 1080, 1110, 1332, 1480, 1620, 1665, 1998, 2143, 2220, 2664, 2997, 3240, 3330, 3996, 4286, 4440, 4995, 5994, 6429, 6660, 7992, 8572, 9990, 10715, 11988, 12858, 13320, 14985, 17144, 19287, 19980, 21430, 23976, 25716, 29970, 32145, 38574, 39960, 42860, 51432, 57861, 59940, 64290, 77148, 79291, 85720, 96435, 115722, 119880, 128580, 154296, 158582, 173583, 192870, 231444, 237873, 257160, 289305, 317164, 347166, 385740, 396455, 462888, 475746, 578610, 634328, 694332, 713619, 771480, 792910, 867915, 951492, 1157220, 1189365, 1388664, 1427238, 1585820, 1735830, 1902984, 2140857, 2314440, 2378730, 2854476, 3171640, 3471660, 3568095, 4281714, 4757460, 5708952, 6422571, 6943320, 7136190, 8563428, 9514920, 10704285, 12845142, 14272380, 17126856, 21408570, 25690284, 28544760, 32112855, 42817140, 51380568, 64225710, 85634280, 128451420, 256902840]

約数ペア:

[(1, 256902840), (2, 128451420), (3, 85634280), (4, 64225710), (5, 51380568), (6, 42817140), (8, 32112855), (9, 28544760), (10, 25690284), (12, 21408570), (15, 17126856), (18, 14272380), (20, 12845142), (24, 10704285), (27, 9514920), (30, 8563428), (36, 7136190), (37, 6943320), (40, 6422571), (45, 5708952), (54, 4757460), (60, 4281714), (72, 3568095), (74, 3471660), (81, 3171640), (90, 2854476), (108, 2378730), (111, 2314440), (120, 2140857), (135, 1902984), (148, 1735830), (162, 1585820), (180, 1427238), (185, 1388664), (216, 1189365), (222, 1157220), (270, 951492), (296, 867915), (324, 792910), (333, 771480), (360, 713619), (370, 694332), (405, 634328), (444, 578610), (540, 475746), (555, 462888), (648, 396455), (666, 385740), (740, 347166), (810, 317164), (888, 289305), (999, 257160), (1080, 237873), (1110, 231444), (1332, 192870), (1480, 173583), (1620, 158582), (1665, 154296), (1998, 128580), (2143, 119880), (2220, 115722), (2664, 96435), (2997, 85720), (3240, 79291), (3330, 77148), (3996, 64290), (4286, 59940), (4440, 57861), (4995, 51432), (5994, 42860), (6429, 39960), (6660, 38574), (7992, 32145), (8572, 29970), (9990, 25716), (10715, 23976), (11988, 21430), (12858, 19980), (13320, 19287), (14985, 17144)]