379856520

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{509}}^1\times {\mathrm{691}}^1$

素因数の和:1220

約数の個数: 128

約数和(自身を含む): 1270512000

約数和(自身を除く): 890655480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 509, 540, 691, 1018, 1080, 1382, 1527, 2036, 2073, 2545, 2764, 3054, 3455, 4072, 4146, 4581, 5090, 5528, 6108, 6219, 6910, 7635, 8292, 9162, 10180, 10365, 12216, 12438, 13743, 13820, 15270, 16584, 18324, 18657, 20360, 20730, 22905, 24876, 27486, 27640, 30540, 31095, 36648, 37314, 41460, 45810, 49752, 54972, 61080, 62190, 68715, 74628, 82920, 91620, 93285, 109944, 124380, 137430, 149256, 183240, 186570, 248760, 274860, 351719, 373140, 549720, 703438, 746280, 1055157, 1406876, 1758595, 2110314, 2813752, 3165471, 3517190, 4220628, 5275785, 6330942, 7034380, 8441256, 9496413, 10551570, 12661884, 14068760, 15827355, 18992826, 21103140, 25323768, 31654710, 37985652, 42206280, 47482065, 63309420, 75971304, 94964130, 126618840, 189928260, 379856520]

約数ペア:

[(1, 379856520), (2, 189928260), (3, 126618840), (4, 94964130), (5, 75971304), (6, 63309420), (8, 47482065), (9, 42206280), (10, 37985652), (12, 31654710), (15, 25323768), (18, 21103140), (20, 18992826), (24, 15827355), (27, 14068760), (30, 12661884), (36, 10551570), (40, 9496413), (45, 8441256), (54, 7034380), (60, 6330942), (72, 5275785), (90, 4220628), (108, 3517190), (120, 3165471), (135, 2813752), (180, 2110314), (216, 1758595), (270, 1406876), (360, 1055157), (509, 746280), (540, 703438), (691, 549720), (1018, 373140), (1080, 351719), (1382, 274860), (1527, 248760), (2036, 186570), (2073, 183240), (2545, 149256), (2764, 137430), (3054, 124380), (3455, 109944), (4072, 93285), (4146, 91620), (4581, 82920), (5090, 74628), (5528, 68715), (6108, 62190), (6219, 61080), (6910, 54972), (7635, 49752), (8292, 45810), (9162, 41460), (10180, 37314), (10365, 36648), (12216, 31095), (12438, 30540), (13743, 27640), (13820, 27486), (15270, 24876), (16584, 22905), (18324, 20730), (18657, 20360)]