309960

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{41}}^1$

素因数の和:68

約数の個数: 128

約数和(自身を含む): 1209600

約数和(自身を除く): 899640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 41, 42, 45, 54, 56, 60, 63, 70, 72, 82, 84, 90, 105, 108, 120, 123, 126, 135, 140, 164, 168, 180, 189, 205, 210, 216, 246, 252, 270, 280, 287, 315, 328, 360, 369, 378, 410, 420, 492, 504, 540, 574, 615, 630, 738, 756, 820, 840, 861, 945, 984, 1080, 1107, 1148, 1230, 1260, 1435, 1476, 1512, 1640, 1722, 1845, 1890, 2214, 2296, 2460, 2520, 2583, 2870, 2952, 3444, 3690, 3780, 4305, 4428, 4920, 5166, 5535, 5740, 6888, 7380, 7560, 7749, 8610, 8856, 10332, 11070, 11480, 12915, 14760, 15498, 17220, 20664, 22140, 25830, 30996, 34440, 38745, 44280, 51660, 61992, 77490, 103320, 154980, 309960]

約数ペア:

[(1, 309960), (2, 154980), (3, 103320), (4, 77490), (5, 61992), (6, 51660), (7, 44280), (8, 38745), (9, 34440), (10, 30996), (12, 25830), (14, 22140), (15, 20664), (18, 17220), (20, 15498), (21, 14760), (24, 12915), (27, 11480), (28, 11070), (30, 10332), (35, 8856), (36, 8610), (40, 7749), (41, 7560), (42, 7380), (45, 6888), (54, 5740), (56, 5535), (60, 5166), (63, 4920), (70, 4428), (72, 4305), (82, 3780), (84, 3690), (90, 3444), (105, 2952), (108, 2870), (120, 2583), (123, 2520), (126, 2460), (135, 2296), (140, 2214), (164, 1890), (168, 1845), (180, 1722), (189, 1640), (205, 1512), (210, 1476), (216, 1435), (246, 1260), (252, 1230), (270, 1148), (280, 1107), (287, 1080), (315, 984), (328, 945), (360, 861), (369, 840), (378, 820), (410, 756), (420, 738), (492, 630), (504, 615), (540, 574)]