320395140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{509}}^1$

素因数の和:806

約数の個数: 144

約数和(自身を含む): 1052578800

約数和(自身を除く): 732183660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 269, 390, 468, 509, 538, 585, 780, 807, 1018, 1076, 1170, 1345, 1527, 1614, 2036, 2340, 2421, 2545, 2690, 3054, 3228, 3497, 4035, 4581, 4842, 5090, 5380, 6108, 6617, 6994, 7635, 8070, 9162, 9684, 10180, 10491, 12105, 13234, 13988, 15270, 16140, 17485, 18324, 19851, 20982, 22905, 24210, 26468, 30540, 31473, 33085, 34970, 39702, 41964, 45810, 48420, 52455, 59553, 62946, 66170, 69940, 79404, 91620, 99255, 104910, 119106, 125892, 132340, 136921, 157365, 198510, 209820, 238212, 273842, 297765, 314730, 397020, 410763, 547684, 595530, 629460, 684605, 821526, 1191060, 1232289, 1369210, 1643052, 1779973, 2053815, 2464578, 2738420, 3559946, 4107630, 4929156, 5339919, 6161445, 7119892, 8215260, 8899865, 10679838, 12322890, 16019757, 17799730, 21359676, 24645780, 26699595, 32039514, 35599460, 53399190, 64079028, 80098785, 106798380, 160197570, 320395140]

約数ペア:

[(1, 320395140), (2, 160197570), (3, 106798380), (4, 80098785), (5, 64079028), (6, 53399190), (9, 35599460), (10, 32039514), (12, 26699595), (13, 24645780), (15, 21359676), (18, 17799730), (20, 16019757), (26, 12322890), (30, 10679838), (36, 8899865), (39, 8215260), (45, 7119892), (52, 6161445), (60, 5339919), (65, 4929156), (78, 4107630), (90, 3559946), (117, 2738420), (130, 2464578), (156, 2053815), (180, 1779973), (195, 1643052), (234, 1369210), (260, 1232289), (269, 1191060), (390, 821526), (468, 684605), (509, 629460), (538, 595530), (585, 547684), (780, 410763), (807, 397020), (1018, 314730), (1076, 297765), (1170, 273842), (1345, 238212), (1527, 209820), (1614, 198510), (2036, 157365), (2340, 136921), (2421, 132340), (2545, 125892), (2690, 119106), (3054, 104910), (3228, 99255), (3497, 91620), (4035, 79404), (4581, 69940), (4842, 66170), (5090, 62946), (5380, 59553), (6108, 52455), (6617, 48420), (6994, 45810), (7635, 41964), (8070, 39702), (9162, 34970), (9684, 33085), (10180, 31473), (10491, 30540), (12105, 26468), (13234, 24210), (13988, 22905), (15270, 20982), (16140, 19851), (17485, 18324)]