43381980

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{439}}^1$

素因数の和:521

約数の個数: 120

約数和(自身を含む): 138636960

約数和(自身を除く): 95254980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 61, 81, 90, 108, 122, 135, 162, 180, 183, 244, 270, 305, 324, 366, 405, 439, 540, 549, 610, 732, 810, 878, 915, 1098, 1220, 1317, 1620, 1647, 1756, 1830, 2195, 2196, 2634, 2745, 3294, 3660, 3951, 4390, 4941, 5268, 5490, 6585, 6588, 7902, 8235, 8780, 9882, 10980, 11853, 13170, 15804, 16470, 19755, 19764, 23706, 24705, 26340, 26779, 32940, 35559, 39510, 47412, 49410, 53558, 59265, 71118, 79020, 80337, 98820, 107116, 118530, 133895, 142236, 160674, 177795, 237060, 241011, 267790, 321348, 355590, 401685, 482022, 535580, 711180, 723033, 803370, 964044, 1205055, 1446066, 1606740, 2169099, 2410110, 2892132, 3615165, 4338198, 4820220, 7230330, 8676396, 10845495, 14460660, 21690990, 43381980]

約数ペア:

[(1, 43381980), (2, 21690990), (3, 14460660), (4, 10845495), (5, 8676396), (6, 7230330), (9, 4820220), (10, 4338198), (12, 3615165), (15, 2892132), (18, 2410110), (20, 2169099), (27, 1606740), (30, 1446066), (36, 1205055), (45, 964044), (54, 803370), (60, 723033), (61, 711180), (81, 535580), (90, 482022), (108, 401685), (122, 355590), (135, 321348), (162, 267790), (180, 241011), (183, 237060), (244, 177795), (270, 160674), (305, 142236), (324, 133895), (366, 118530), (405, 107116), (439, 98820), (540, 80337), (549, 79020), (610, 71118), (732, 59265), (810, 53558), (878, 49410), (915, 47412), (1098, 39510), (1220, 35559), (1317, 32940), (1620, 26779), (1647, 26340), (1756, 24705), (1830, 23706), (2195, 19764), (2196, 19755), (2634, 16470), (2745, 15804), (3294, 13170), (3660, 11853), (3951, 10980), (4390, 9882), (4941, 8780), (5268, 8235), (5490, 7902), (6585, 6588)]