80145540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{271}}^1$

素因数の和:370

約数の個数: 144

約数和(自身を含む): 256628736

約数和(自身を除く): 176483196

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 53, 60, 62, 90, 93, 106, 124, 155, 159, 180, 186, 212, 265, 271, 279, 310, 318, 372, 465, 477, 530, 542, 558, 620, 636, 795, 813, 930, 954, 1060, 1084, 1116, 1355, 1395, 1590, 1626, 1643, 1860, 1908, 2385, 2439, 2710, 2790, 3180, 3252, 3286, 4065, 4770, 4878, 4929, 5420, 5580, 6572, 8130, 8215, 8401, 9540, 9756, 9858, 12195, 14363, 14787, 16260, 16430, 16802, 19716, 24390, 24645, 25203, 28726, 29574, 32860, 33604, 42005, 43089, 48780, 49290, 50406, 57452, 59148, 71815, 73935, 75609, 84010, 86178, 98580, 100812, 126015, 129267, 143630, 147870, 151218, 168020, 172356, 215445, 252030, 258534, 287260, 295740, 302436, 378045, 430890, 445253, 504060, 517068, 646335, 756090, 861780, 890506, 1292670, 1335759, 1512180, 1781012, 2226265, 2585340, 2671518, 4007277, 4452530, 5343036, 6678795, 8014554, 8905060, 13357590, 16029108, 20036385, 26715180, 40072770, 80145540]

約数ペア:

[(1, 80145540), (2, 40072770), (3, 26715180), (4, 20036385), (5, 16029108), (6, 13357590), (9, 8905060), (10, 8014554), (12, 6678795), (15, 5343036), (18, 4452530), (20, 4007277), (30, 2671518), (31, 2585340), (36, 2226265), (45, 1781012), (53, 1512180), (60, 1335759), (62, 1292670), (90, 890506), (93, 861780), (106, 756090), (124, 646335), (155, 517068), (159, 504060), (180, 445253), (186, 430890), (212, 378045), (265, 302436), (271, 295740), (279, 287260), (310, 258534), (318, 252030), (372, 215445), (465, 172356), (477, 168020), (530, 151218), (542, 147870), (558, 143630), (620, 129267), (636, 126015), (795, 100812), (813, 98580), (930, 86178), (954, 84010), (1060, 75609), (1084, 73935), (1116, 71815), (1355, 59148), (1395, 57452), (1590, 50406), (1626, 49290), (1643, 48780), (1860, 43089), (1908, 42005), (2385, 33604), (2439, 32860), (2710, 29574), (2790, 28726), (3180, 25203), (3252, 24645), (3286, 24390), (4065, 19716), (4770, 16802), (4878, 16430), (4929, 16260), (5420, 14787), (5580, 14363), (6572, 12195), (8130, 9858), (8215, 9756), (8401, 9540)]