90870255

素因数分解:

$3^4\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{241}}^1$

素因数の和:291

約数の個数: 120

約数和(自身を含む): 200288880

約数和(自身を除く): 109418625

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 27, 35, 45, 49, 57, 63, 81, 95, 105, 133, 135, 147, 171, 189, 241, 245, 285, 315, 399, 405, 441, 513, 567, 665, 723, 735, 855, 931, 945, 1197, 1205, 1323, 1539, 1687, 1995, 2169, 2205, 2565, 2793, 2835, 3591, 3615, 3969, 4579, 4655, 5061, 5985, 6507, 6615, 7695, 8379, 8435, 10773, 10845, 11809, 13737, 13965, 15183, 17955, 19521, 19845, 22895, 25137, 25305, 32053, 32535, 35427, 41211, 41895, 45549, 53865, 59045, 68685, 75411, 75915, 96159, 97605, 106281, 123633, 125685, 136647, 160265, 177135, 206055, 224371, 227745, 288477, 318843, 370899, 377055, 480795, 531405, 618165, 673113, 683235, 865431, 956529, 1121855, 1442385, 1594215, 1854495, 2019339, 2596293, 3365565, 4327155, 4782645, 6058017, 10096695, 12981465, 18174051, 30290085, 90870255]

約数ペア:

[(1, 90870255), (3, 30290085), (5, 18174051), (7, 12981465), (9, 10096695), (15, 6058017), (19, 4782645), (21, 4327155), (27, 3365565), (35, 2596293), (45, 2019339), (49, 1854495), (57, 1594215), (63, 1442385), (81, 1121855), (95, 956529), (105, 865431), (133, 683235), (135, 673113), (147, 618165), (171, 531405), (189, 480795), (241, 377055), (245, 370899), (285, 318843), (315, 288477), (399, 227745), (405, 224371), (441, 206055), (513, 177135), (567, 160265), (665, 136647), (723, 125685), (735, 123633), (855, 106281), (931, 97605), (945, 96159), (1197, 75915), (1205, 75411), (1323, 68685), (1539, 59045), (1687, 53865), (1995, 45549), (2169, 41895), (2205, 41211), (2565, 35427), (2793, 32535), (2835, 32053), (3591, 25305), (3615, 25137), (3969, 22895), (4579, 19845), (4655, 19521), (5061, 17955), (5985, 15183), (6507, 13965), (6615, 13737), (7695, 11809), (8379, 10845), (8435, 10773)]