1861319880

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{105517}}^1$

素因数の和:105548

約数の個数: 144

約数和(自身を含む): 7036995420

約数和(自身を除く): 5175675540

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 588, 630, 735, 840, 882, 980, 1176, 1260, 1470, 1764, 1960, 2205, 2520, 2940, 3528, 4410, 5880, 8820, 17640, 105517, 211034, 316551, 422068, 527585, 633102, 738619, 844136, 949653, 1055170, 1266204, 1477238, 1582755, 1899306, 2110340, 2215857, 2532408, 2954476, 3165510, 3693095, 3798612, 4220680, 4431714, 4748265, 5170333, 5908952, 6331020, 6647571, 7386190, 7597224, 8863428, 9496530, 10340666, 11079285, 12662040, 13295142, 14772380, 15510999, 17726856, 18993060, 20681332, 22158570, 25851665, 26590284, 29544760, 31021998, 33237855, 37986120, 41362664, 44317140, 46532997, 51703330, 53180568, 62043996, 66475710, 77554995, 88634280, 93065994, 103406660, 124087992, 132951420, 155109990, 186131988, 206813320, 232664985, 265902840, 310219980, 372263976, 465329970, 620439960, 930659940, 1861319880]

約数ペア:

[(1, 1861319880), (2, 930659940), (3, 620439960), (4, 465329970), (5, 372263976), (6, 310219980), (7, 265902840), (8, 232664985), (9, 206813320), (10, 186131988), (12, 155109990), (14, 132951420), (15, 124087992), (18, 103406660), (20, 93065994), (21, 88634280), (24, 77554995), (28, 66475710), (30, 62043996), (35, 53180568), (36, 51703330), (40, 46532997), (42, 44317140), (45, 41362664), (49, 37986120), (56, 33237855), (60, 31021998), (63, 29544760), (70, 26590284), (72, 25851665), (84, 22158570), (90, 20681332), (98, 18993060), (105, 17726856), (120, 15510999), (126, 14772380), (140, 13295142), (147, 12662040), (168, 11079285), (180, 10340666), (196, 9496530), (210, 8863428), (245, 7597224), (252, 7386190), (280, 6647571), (294, 6331020), (315, 5908952), (360, 5170333), (392, 4748265), (420, 4431714), (441, 4220680), (490, 3798612), (504, 3693095), (588, 3165510), (630, 2954476), (735, 2532408), (840, 2215857), (882, 2110340), (980, 1899306), (1176, 1582755), (1260, 1477238), (1470, 1266204), (1764, 1055170), (1960, 949653), (2205, 844136), (2520, 738619), (2940, 633102), (3528, 527585), (4410, 422068), (5880, 316551), (8820, 211034), (17640, 105517)]