30725240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{367}}^1$

素因数の和:421

約数の個数: 128

約数和(自身を含む): 89026560

約数和(自身を除く): 58301320

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 23, 26, 28, 35, 40, 46, 52, 56, 65, 70, 91, 92, 104, 115, 130, 140, 161, 182, 184, 230, 260, 280, 299, 322, 364, 367, 455, 460, 520, 598, 644, 728, 734, 805, 910, 920, 1196, 1288, 1468, 1495, 1610, 1820, 1835, 2093, 2392, 2569, 2936, 2990, 3220, 3640, 3670, 4186, 4771, 5138, 5980, 6440, 7340, 8372, 8441, 9542, 10276, 10465, 11960, 12845, 14680, 16744, 16882, 19084, 20552, 20930, 23855, 25690, 33397, 33764, 38168, 41860, 42205, 47710, 51380, 59087, 66794, 67528, 83720, 84410, 95420, 102760, 109733, 118174, 133588, 166985, 168820, 190840, 219466, 236348, 267176, 295435, 333970, 337640, 438932, 472696, 548665, 590870, 667940, 768131, 877864, 1097330, 1181740, 1335880, 1536262, 2194660, 2363480, 3072524, 3840655, 4389320, 6145048, 7681310, 15362620, 30725240]

約数ペア:

[(1, 30725240), (2, 15362620), (4, 7681310), (5, 6145048), (7, 4389320), (8, 3840655), (10, 3072524), (13, 2363480), (14, 2194660), (20, 1536262), (23, 1335880), (26, 1181740), (28, 1097330), (35, 877864), (40, 768131), (46, 667940), (52, 590870), (56, 548665), (65, 472696), (70, 438932), (91, 337640), (92, 333970), (104, 295435), (115, 267176), (130, 236348), (140, 219466), (161, 190840), (182, 168820), (184, 166985), (230, 133588), (260, 118174), (280, 109733), (299, 102760), (322, 95420), (364, 84410), (367, 83720), (455, 67528), (460, 66794), (520, 59087), (598, 51380), (644, 47710), (728, 42205), (734, 41860), (805, 38168), (910, 33764), (920, 33397), (1196, 25690), (1288, 23855), (1468, 20930), (1495, 20552), (1610, 19084), (1820, 16882), (1835, 16744), (2093, 14680), (2392, 12845), (2569, 11960), (2936, 10465), (2990, 10276), (3220, 9542), (3640, 8441), (3670, 8372), (4186, 7340), (4771, 6440), (5138, 5980)]