8198820

素因数分解:

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

素因数の和:272

約数の個数: 144

約数和(自身を含む): 29597568

約数和(自身を除く): 21398748

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 241, 243, 252, 270, 315, 324, 378, 405, 420, 482, 486, 540, 567, 630, 723, 756, 810, 945, 964, 972, 1134, 1205, 1215, 1260, 1446, 1620, 1687, 1701, 1890, 2169, 2268, 2410, 2430, 2835, 2892, 3374, 3402, 3615, 3780, 4338, 4820, 4860, 5061, 5670, 6507, 6748, 6804, 7230, 8435, 8505, 8676, 10122, 10845, 11340, 13014, 14460, 15183, 16870, 17010, 19521, 20244, 21690, 25305, 26028, 30366, 32535, 33740, 34020, 39042, 43380, 45549, 50610, 58563, 60732, 65070, 75915, 78084, 91098, 97605, 101220, 117126, 130140, 136647, 151830, 182196, 195210, 227745, 234252, 273294, 292815, 303660, 390420, 409941, 455490, 546588, 585630, 683235, 819882, 910980, 1171260, 1366470, 1639764, 2049705, 2732940, 4099410, 8198820]

約数ペア:

[(1, 8198820), (2, 4099410), (3, 2732940), (4, 2049705), (5, 1639764), (6, 1366470), (7, 1171260), (9, 910980), (10, 819882), (12, 683235), (14, 585630), (15, 546588), (18, 455490), (20, 409941), (21, 390420), (27, 303660), (28, 292815), (30, 273294), (35, 234252), (36, 227745), (42, 195210), (45, 182196), (54, 151830), (60, 136647), (63, 130140), (70, 117126), (81, 101220), (84, 97605), (90, 91098), (105, 78084), (108, 75915), (126, 65070), (135, 60732), (140, 58563), (162, 50610), (180, 45549), (189, 43380), (210, 39042), (241, 34020), (243, 33740), (252, 32535), (270, 30366), (315, 26028), (324, 25305), (378, 21690), (405, 20244), (420, 19521), (482, 17010), (486, 16870), (540, 15183), (567, 14460), (630, 13014), (723, 11340), (756, 10845), (810, 10122), (945, 8676), (964, 8505), (972, 8435), (1134, 7230), (1205, 6804), (1215, 6748), (1260, 6507), (1446, 5670), (1620, 5061), (1687, 4860), (1701, 4820), (1890, 4338), (2169, 3780), (2268, 3615), (2410, 3402), (2430, 3374), (2835, 2892)]