61664580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1$

素因数の和:346

約数の個数: 144

約数和(自身を含む): 198342144

約数和(自身を除く): 136677564

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 43, 45, 60, 62, 86, 90, 93, 124, 129, 155, 172, 180, 186, 215, 257, 258, 279, 310, 372, 387, 430, 465, 514, 516, 558, 620, 645, 771, 774, 860, 930, 1028, 1116, 1285, 1290, 1333, 1395, 1542, 1548, 1860, 1935, 2313, 2570, 2580, 2666, 2790, 3084, 3855, 3870, 3999, 4626, 5140, 5332, 5580, 6665, 7710, 7740, 7967, 7998, 9252, 11051, 11565, 11997, 13330, 15420, 15934, 15996, 19995, 22102, 23130, 23901, 23994, 26660, 31868, 33153, 39835, 39990, 44204, 46260, 47802, 47988, 55255, 59985, 66306, 71703, 79670, 79980, 95604, 99459, 110510, 119505, 119970, 132612, 143406, 159340, 165765, 198918, 221020, 239010, 239940, 286812, 331530, 342581, 358515, 397836, 478020, 497295, 663060, 685162, 717030, 994590, 1027743, 1370324, 1434060, 1712905, 1989180, 2055486, 3083229, 3425810, 4110972, 5138715, 6166458, 6851620, 10277430, 12332916, 15416145, 20554860, 30832290, 61664580]

約数ペア:

[(1, 61664580), (2, 30832290), (3, 20554860), (4, 15416145), (5, 12332916), (6, 10277430), (9, 6851620), (10, 6166458), (12, 5138715), (15, 4110972), (18, 3425810), (20, 3083229), (30, 2055486), (31, 1989180), (36, 1712905), (43, 1434060), (45, 1370324), (60, 1027743), (62, 994590), (86, 717030), (90, 685162), (93, 663060), (124, 497295), (129, 478020), (155, 397836), (172, 358515), (180, 342581), (186, 331530), (215, 286812), (257, 239940), (258, 239010), (279, 221020), (310, 198918), (372, 165765), (387, 159340), (430, 143406), (465, 132612), (514, 119970), (516, 119505), (558, 110510), (620, 99459), (645, 95604), (771, 79980), (774, 79670), (860, 71703), (930, 66306), (1028, 59985), (1116, 55255), (1285, 47988), (1290, 47802), (1333, 46260), (1395, 44204), (1542, 39990), (1548, 39835), (1860, 33153), (1935, 31868), (2313, 26660), (2570, 23994), (2580, 23901), (2666, 23130), (2790, 22102), (3084, 19995), (3855, 15996), (3870, 15934), (3999, 15420), (4626, 13330), (5140, 11997), (5332, 11565), (5580, 11051), (6665, 9252), (7710, 7998), (7740, 7967)]