25706520

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{101}}^2$

素因数の和:226

約数の個数: 144

約数和(自身を含む): 96436080

約数和(自身を除く): 70729560

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, 56, 60, 63, 70, 72, 84, 90, 101, 105, 120, 126, 140, 168, 180, 202, 210, 252, 280, 303, 315, 360, 404, 420, 504, 505, 606, 630, 707, 808, 840, 909, 1010, 1212, 1260, 1414, 1515, 1818, 2020, 2121, 2424, 2520, 2828, 3030, 3535, 3636, 4040, 4242, 4545, 5656, 6060, 6363, 7070, 7272, 8484, 9090, 10201, 10605, 12120, 12726, 14140, 16968, 18180, 20402, 21210, 25452, 28280, 30603, 31815, 36360, 40804, 42420, 50904, 51005, 61206, 63630, 71407, 81608, 84840, 91809, 102010, 122412, 127260, 142814, 153015, 183618, 204020, 214221, 244824, 254520, 285628, 306030, 357035, 367236, 408040, 428442, 459045, 571256, 612060, 642663, 714070, 734472, 856884, 918090, 1071105, 1224120, 1285326, 1428140, 1713768, 1836180, 2142210, 2570652, 2856280, 3213315, 3672360, 4284420, 5141304, 6426630, 8568840, 12853260, 25706520]

約数ペア:

[(1, 25706520), (2, 12853260), (3, 8568840), (4, 6426630), (5, 5141304), (6, 4284420), (7, 3672360), (8, 3213315), (9, 2856280), (10, 2570652), (12, 2142210), (14, 1836180), (15, 1713768), (18, 1428140), (20, 1285326), (21, 1224120), (24, 1071105), (28, 918090), (30, 856884), (35, 734472), (36, 714070), (40, 642663), (42, 612060), (45, 571256), (56, 459045), (60, 428442), (63, 408040), (70, 367236), (72, 357035), (84, 306030), (90, 285628), (101, 254520), (105, 244824), (120, 214221), (126, 204020), (140, 183618), (168, 153015), (180, 142814), (202, 127260), (210, 122412), (252, 102010), (280, 91809), (303, 84840), (315, 81608), (360, 71407), (404, 63630), (420, 61206), (504, 51005), (505, 50904), (606, 42420), (630, 40804), (707, 36360), (808, 31815), (840, 30603), (909, 28280), (1010, 25452), (1212, 21210), (1260, 20402), (1414, 18180), (1515, 16968), (1818, 14140), (2020, 12726), (2121, 12120), (2424, 10605), (2520, 10201), (2828, 9090), (3030, 8484), (3535, 7272), (3636, 7070), (4040, 6363), (4242, 6060), (4545, 5656)]