628897620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{839}}^1$

素因数の和:926

約数の個数: 144

約数和(自身を含む): 1961850240

約数和(自身を除く): 1332952620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 31, 39, 52, 60, 62, 65, 78, 93, 124, 130, 155, 156, 186, 195, 260, 310, 372, 390, 403, 465, 620, 780, 806, 839, 930, 961, 1209, 1612, 1678, 1860, 1922, 2015, 2418, 2517, 2883, 3356, 3844, 4030, 4195, 4805, 4836, 5034, 5766, 6045, 8060, 8390, 9610, 10068, 10907, 11532, 12090, 12493, 12585, 14415, 16780, 19220, 21814, 24180, 24986, 25170, 26009, 28830, 32721, 37479, 43628, 49972, 50340, 52018, 54535, 57660, 62465, 65442, 74958, 78027, 104036, 109070, 124930, 130045, 130884, 149916, 156054, 163605, 187395, 218140, 249860, 260090, 312108, 327210, 338117, 374790, 390135, 520180, 654420, 676234, 749580, 780270, 806279, 1014351, 1352468, 1560540, 1612558, 1690585, 2028702, 2418837, 3225116, 3381170, 4031395, 4057404, 4837674, 5071755, 6762340, 8062790, 9675348, 10143510, 10481627, 12094185, 16125580, 20287020, 20963254, 24188370, 31444881, 41926508, 48376740, 52408135, 62889762, 104816270, 125779524, 157224405, 209632540, 314448810, 628897620]

約数ペア:

[(1, 628897620), (2, 314448810), (3, 209632540), (4, 157224405), (5, 125779524), (6, 104816270), (10, 62889762), (12, 52408135), (13, 48376740), (15, 41926508), (20, 31444881), (26, 24188370), (30, 20963254), (31, 20287020), (39, 16125580), (52, 12094185), (60, 10481627), (62, 10143510), (65, 9675348), (78, 8062790), (93, 6762340), (124, 5071755), (130, 4837674), (155, 4057404), (156, 4031395), (186, 3381170), (195, 3225116), (260, 2418837), (310, 2028702), (372, 1690585), (390, 1612558), (403, 1560540), (465, 1352468), (620, 1014351), (780, 806279), (806, 780270), (839, 749580), (930, 676234), (961, 654420), (1209, 520180), (1612, 390135), (1678, 374790), (1860, 338117), (1922, 327210), (2015, 312108), (2418, 260090), (2517, 249860), (2883, 218140), (3356, 187395), (3844, 163605), (4030, 156054), (4195, 149916), (4805, 130884), (4836, 130045), (5034, 124930), (5766, 109070), (6045, 104036), (8060, 78027), (8390, 74958), (9610, 65442), (10068, 62465), (10907, 57660), (11532, 54535), (12090, 52018), (12493, 50340), (12585, 49972), (14415, 43628), (16780, 37479), (19220, 32721), (21814, 28830), (24180, 26009), (24986, 25170)]