811731720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{229}}^1\times {\mathrm{271}}^1$

素因数の和:623

約数の個数: 128

約数和(自身を含む): 2477376000

約数和(自身を除く): 1665644280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 109, 120, 218, 229, 271, 327, 436, 458, 542, 545, 654, 687, 813, 872, 916, 1084, 1090, 1145, 1308, 1355, 1374, 1626, 1635, 1832, 2168, 2180, 2290, 2616, 2710, 2748, 3252, 3270, 3435, 4065, 4360, 4580, 5420, 5496, 6504, 6540, 6870, 8130, 9160, 10840, 13080, 13740, 16260, 24961, 27480, 29539, 32520, 49922, 59078, 62059, 74883, 88617, 99844, 118156, 124118, 124805, 147695, 149766, 177234, 186177, 199688, 236312, 248236, 249610, 295390, 299532, 310295, 354468, 372354, 374415, 443085, 496472, 499220, 590780, 599064, 620590, 708936, 744708, 748830, 886170, 930885, 998440, 1181560, 1241180, 1489416, 1497660, 1772340, 1861770, 2482360, 2995320, 3544680, 3723540, 6764431, 7447080, 13528862, 20293293, 27057724, 33822155, 40586586, 54115448, 67644310, 81173172, 101466465, 135288620, 162346344, 202932930, 270577240, 405865860, 811731720]

約数ペア:

[(1, 811731720), (2, 405865860), (3, 270577240), (4, 202932930), (5, 162346344), (6, 135288620), (8, 101466465), (10, 81173172), (12, 67644310), (15, 54115448), (20, 40586586), (24, 33822155), (30, 27057724), (40, 20293293), (60, 13528862), (109, 7447080), (120, 6764431), (218, 3723540), (229, 3544680), (271, 2995320), (327, 2482360), (436, 1861770), (458, 1772340), (542, 1497660), (545, 1489416), (654, 1241180), (687, 1181560), (813, 998440), (872, 930885), (916, 886170), (1084, 748830), (1090, 744708), (1145, 708936), (1308, 620590), (1355, 599064), (1374, 590780), (1626, 499220), (1635, 496472), (1832, 443085), (2168, 374415), (2180, 372354), (2290, 354468), (2616, 310295), (2710, 299532), (2748, 295390), (3252, 249610), (3270, 248236), (3435, 236312), (4065, 199688), (4360, 186177), (4580, 177234), (5420, 149766), (5496, 147695), (6504, 124805), (6540, 124118), (6870, 118156), (8130, 99844), (9160, 88617), (10840, 74883), (13080, 62059), (13740, 59078), (16260, 49922), (24961, 32520), (27480, 29539)]