619920

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{41}}^1$

素因数の和:70

約数の個数: 160

約数和(自身を含む): 2499840

約数和(自身を除く): 1879920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 41, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 82, 84, 90, 105, 108, 112, 120, 123, 126, 135, 140, 144, 164, 168, 180, 189, 205, 210, 216, 240, 246, 252, 270, 280, 287, 315, 328, 336, 360, 369, 378, 410, 420, 432, 492, 504, 540, 560, 574, 615, 630, 656, 720, 738, 756, 820, 840, 861, 945, 984, 1008, 1080, 1107, 1148, 1230, 1260, 1435, 1476, 1512, 1640, 1680, 1722, 1845, 1890, 1968, 2160, 2214, 2296, 2460, 2520, 2583, 2870, 2952, 3024, 3280, 3444, 3690, 3780, 4305, 4428, 4592, 4920, 5040, 5166, 5535, 5740, 5904, 6888, 7380, 7560, 7749, 8610, 8856, 9840, 10332, 11070, 11480, 12915, 13776, 14760, 15120, 15498, 17220, 17712, 20664, 22140, 22960, 25830, 29520, 30996, 34440, 38745, 41328, 44280, 51660, 61992, 68880, 77490, 88560, 103320, 123984, 154980, 206640, 309960, 619920]

約数ペア:

[(1, 619920), (2, 309960), (3, 206640), (4, 154980), (5, 123984), (6, 103320), (7, 88560), (8, 77490), (9, 68880), (10, 61992), (12, 51660), (14, 44280), (15, 41328), (16, 38745), (18, 34440), (20, 30996), (21, 29520), (24, 25830), (27, 22960), (28, 22140), (30, 20664), (35, 17712), (36, 17220), (40, 15498), (41, 15120), (42, 14760), (45, 13776), (48, 12915), (54, 11480), (56, 11070), (60, 10332), (63, 9840), (70, 8856), (72, 8610), (80, 7749), (82, 7560), (84, 7380), (90, 6888), (105, 5904), (108, 5740), (112, 5535), (120, 5166), (123, 5040), (126, 4920), (135, 4592), (140, 4428), (144, 4305), (164, 3780), (168, 3690), (180, 3444), (189, 3280), (205, 3024), (210, 2952), (216, 2870), (240, 2583), (246, 2520), (252, 2460), (270, 2296), (280, 2214), (287, 2160), (315, 1968), (328, 1890), (336, 1845), (360, 1722), (369, 1680), (378, 1640), (410, 1512), (420, 1476), (432, 1435), (492, 1260), (504, 1230), (540, 1148), (560, 1107), (574, 1080), (615, 1008), (630, 984), (656, 945), (720, 861), (738, 840), (756, 820)]