1308720

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1$

素因数の和:83

約数の個数: 160

約数和(自身を含む): 4999680

約数和(自身を除く): 3690960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 35, 38, 40, 41, 42, 48, 56, 57, 60, 70, 76, 80, 82, 84, 95, 105, 112, 114, 120, 123, 133, 140, 152, 164, 168, 190, 205, 210, 228, 240, 246, 266, 280, 285, 287, 304, 328, 336, 380, 399, 410, 420, 456, 492, 532, 560, 570, 574, 615, 656, 665, 760, 779, 798, 820, 840, 861, 912, 984, 1064, 1140, 1148, 1230, 1330, 1435, 1520, 1558, 1596, 1640, 1680, 1722, 1968, 1995, 2128, 2280, 2296, 2337, 2460, 2660, 2870, 3116, 3192, 3280, 3444, 3895, 3990, 4305, 4560, 4592, 4674, 4920, 5320, 5453, 5740, 6232, 6384, 6888, 7790, 7980, 8610, 9348, 9840, 10640, 10906, 11480, 11685, 12464, 13776, 15580, 15960, 16359, 17220, 18696, 21812, 22960, 23370, 27265, 31160, 31920, 32718, 34440, 37392, 43624, 46740, 54530, 62320, 65436, 68880, 81795, 87248, 93480, 109060, 130872, 163590, 186960, 218120, 261744, 327180, 436240, 654360, 1308720]

約数ペア:

[(1, 1308720), (2, 654360), (3, 436240), (4, 327180), (5, 261744), (6, 218120), (7, 186960), (8, 163590), (10, 130872), (12, 109060), (14, 93480), (15, 87248), (16, 81795), (19, 68880), (20, 65436), (21, 62320), (24, 54530), (28, 46740), (30, 43624), (35, 37392), (38, 34440), (40, 32718), (41, 31920), (42, 31160), (48, 27265), (56, 23370), (57, 22960), (60, 21812), (70, 18696), (76, 17220), (80, 16359), (82, 15960), (84, 15580), (95, 13776), (105, 12464), (112, 11685), (114, 11480), (120, 10906), (123, 10640), (133, 9840), (140, 9348), (152, 8610), (164, 7980), (168, 7790), (190, 6888), (205, 6384), (210, 6232), (228, 5740), (240, 5453), (246, 5320), (266, 4920), (280, 4674), (285, 4592), (287, 4560), (304, 4305), (328, 3990), (336, 3895), (380, 3444), (399, 3280), (410, 3192), (420, 3116), (456, 2870), (492, 2660), (532, 2460), (560, 2337), (570, 2296), (574, 2280), (615, 2128), (656, 1995), (665, 1968), (760, 1722), (779, 1680), (798, 1640), (820, 1596), (840, 1558), (861, 1520), (912, 1435), (984, 1330), (1064, 1230), (1140, 1148)]