206953380

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{97}}^1\times {\mathrm{439}}^1$

素因数の和:560

約数の個数: 144

約数和(自身を含む): 659218560

約数和(自身を除く): 452265180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 97, 108, 135, 162, 180, 194, 243, 270, 291, 324, 388, 405, 439, 485, 486, 540, 582, 810, 873, 878, 970, 972, 1164, 1215, 1317, 1455, 1620, 1746, 1756, 1940, 2195, 2430, 2619, 2634, 2910, 3492, 3951, 4365, 4390, 4860, 5238, 5268, 5820, 6585, 7857, 7902, 8730, 8780, 10476, 11853, 13095, 13170, 15714, 15804, 17460, 19755, 23571, 23706, 26190, 26340, 31428, 35559, 39285, 39510, 42583, 47142, 47412, 52380, 59265, 71118, 78570, 79020, 85166, 94284, 106677, 117855, 118530, 127749, 142236, 157140, 170332, 177795, 212915, 213354, 235710, 237060, 255498, 355590, 383247, 425830, 426708, 471420, 510996, 533385, 638745, 711180, 766494, 851660, 1066770, 1149741, 1277490, 1532988, 1916235, 2133540, 2299482, 2554980, 3449223, 3832470, 4598964, 5748705, 6898446, 7664940, 10347669, 11497410, 13796892, 17246115, 20695338, 22994820, 34492230, 41390676, 51738345, 68984460, 103476690, 206953380]

約数ペア:

[(1, 206953380), (2, 103476690), (3, 68984460), (4, 51738345), (5, 41390676), (6, 34492230), (9, 22994820), (10, 20695338), (12, 17246115), (15, 13796892), (18, 11497410), (20, 10347669), (27, 7664940), (30, 6898446), (36, 5748705), (45, 4598964), (54, 3832470), (60, 3449223), (81, 2554980), (90, 2299482), (97, 2133540), (108, 1916235), (135, 1532988), (162, 1277490), (180, 1149741), (194, 1066770), (243, 851660), (270, 766494), (291, 711180), (324, 638745), (388, 533385), (405, 510996), (439, 471420), (485, 426708), (486, 425830), (540, 383247), (582, 355590), (810, 255498), (873, 237060), (878, 235710), (970, 213354), (972, 212915), (1164, 177795), (1215, 170332), (1317, 157140), (1455, 142236), (1620, 127749), (1746, 118530), (1756, 117855), (1940, 106677), (2195, 94284), (2430, 85166), (2619, 79020), (2634, 78570), (2910, 71118), (3492, 59265), (3951, 52380), (4365, 47412), (4390, 47142), (4860, 42583), (5238, 39510), (5268, 39285), (5820, 35559), (6585, 31428), (7857, 26340), (7902, 26190), (8730, 23706), (8780, 23571), (10476, 19755), (11853, 17460), (13095, 15804), (13170, 15714)]