16978920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1$

素因数の和:108

約数の個数: 256

約数和(自身を含む): 65318400

約数和(自身を除く): 48339480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 29, 30, 34, 35, 40, 41, 42, 51, 56, 58, 60, 68, 70, 82, 84, 85, 87, 102, 105, 116, 119, 120, 123, 136, 140, 145, 164, 168, 170, 174, 203, 204, 205, 210, 232, 238, 246, 255, 280, 287, 290, 328, 340, 348, 357, 406, 408, 410, 420, 435, 476, 492, 493, 510, 574, 580, 595, 609, 615, 680, 696, 697, 714, 812, 820, 840, 861, 870, 952, 984, 986, 1015, 1020, 1148, 1160, 1189, 1190, 1218, 1230, 1394, 1428, 1435, 1479, 1624, 1640, 1722, 1740, 1785, 1972, 2030, 2040, 2091, 2296, 2378, 2380, 2436, 2460, 2465, 2788, 2856, 2870, 2958, 3045, 3444, 3451, 3480, 3485, 3567, 3570, 3944, 4060, 4182, 4305, 4756, 4760, 4872, 4879, 4920, 4930, 5576, 5740, 5916, 5945, 6090, 6888, 6902, 6970, 7134, 7140, 7395, 8120, 8323, 8364, 8610, 9512, 9758, 9860, 10353, 10455, 11480, 11832, 11890, 12180, 13804, 13940, 14268, 14280, 14637, 14790, 16646, 16728, 17220, 17255, 17835, 19516, 19720, 20213, 20706, 20910, 23780, 24360, 24395, 24969, 27608, 27880, 28536, 29274, 29580, 33292, 34440, 34510, 35670, 39032, 40426, 41412, 41615, 41820, 47560, 48790, 49938, 51765, 58548, 59160, 60639, 66584, 69020, 71340, 73185, 80852, 82824, 83230, 83640, 97580, 99876, 101065, 103530, 117096, 121278, 124845, 138040, 141491, 142680, 146370, 161704, 166460, 195160, 199752, 202130, 207060, 242556, 249690, 282982, 292740, 303195, 332920, 404260, 414120, 424473, 485112, 499380, 565964, 585480, 606390, 707455, 808520, 848946, 998760, 1131928, 1212780, 1414910, 1697892, 2122365, 2425560, 2829820, 3395784, 4244730, 5659640, 8489460, 16978920]

約数ペア:

[(1, 16978920), (2, 8489460), (3, 5659640), (4, 4244730), (5, 3395784), (6, 2829820), (7, 2425560), (8, 2122365), (10, 1697892), (12, 1414910), (14, 1212780), (15, 1131928), (17, 998760), (20, 848946), (21, 808520), (24, 707455), (28, 606390), (29, 585480), (30, 565964), (34, 499380), (35, 485112), (40, 424473), (41, 414120), (42, 404260), (51, 332920), (56, 303195), (58, 292740), (60, 282982), (68, 249690), (70, 242556), (82, 207060), (84, 202130), (85, 199752), (87, 195160), (102, 166460), (105, 161704), (116, 146370), (119, 142680), (120, 141491), (123, 138040), (136, 124845), (140, 121278), (145, 117096), (164, 103530), (168, 101065), (170, 99876), (174, 97580), (203, 83640), (204, 83230), (205, 82824), (210, 80852), (232, 73185), (238, 71340), (246, 69020), (255, 66584), (280, 60639), (287, 59160), (290, 58548), (328, 51765), (340, 49938), (348, 48790), (357, 47560), (406, 41820), (408, 41615), (410, 41412), (420, 40426), (435, 39032), (476, 35670), (492, 34510), (493, 34440), (510, 33292), (574, 29580), (580, 29274), (595, 28536), (609, 27880), (615, 27608), (680, 24969), (696, 24395), (697, 24360), (714, 23780), (812, 20910), (820, 20706), (840, 20213), (861, 19720), (870, 19516), (952, 17835), (984, 17255), (986, 17220), (1015, 16728), (1020, 16646), (1148, 14790), (1160, 14637), (1189, 14280), (1190, 14268), (1218, 13940), (1230, 13804), (1394, 12180), (1428, 11890), (1435, 11832), (1479, 11480), (1624, 10455), (1640, 10353), (1722, 9860), (1740, 9758), (1785, 9512), (1972, 8610), (2030, 8364), (2040, 8323), (2091, 8120), (2296, 7395), (2378, 7140), (2380, 7134), (2436, 6970), (2460, 6902), (2465, 6888), (2788, 6090), (2856, 5945), (2870, 5916), (2958, 5740), (3045, 5576), (3444, 4930), (3451, 4920), (3480, 4879), (3485, 4872), (3567, 4760), (3570, 4756), (3944, 4305), (4060, 4182)]