68550720

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{101}}^2$

素因数の和:229

約数の個数: 168

約数和(自身を含む): 251228352

約数和(自身を除く): 182677632

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 101, 105, 112, 120, 140, 160, 168, 192, 202, 210, 224, 240, 280, 303, 320, 336, 404, 420, 448, 480, 505, 560, 606, 672, 707, 808, 840, 960, 1010, 1120, 1212, 1344, 1414, 1515, 1616, 1680, 2020, 2121, 2240, 2424, 2828, 3030, 3232, 3360, 3535, 4040, 4242, 4848, 5656, 6060, 6464, 6720, 7070, 8080, 8484, 9696, 10201, 10605, 11312, 12120, 14140, 16160, 16968, 19392, 20402, 21210, 22624, 24240, 28280, 30603, 32320, 33936, 40804, 42420, 45248, 48480, 51005, 56560, 61206, 67872, 71407, 81608, 84840, 96960, 102010, 113120, 122412, 135744, 142814, 153015, 163216, 169680, 204020, 214221, 226240, 244824, 285628, 306030, 326432, 339360, 357035, 408040, 428442, 489648, 571256, 612060, 652864, 678720, 714070, 816080, 856884, 979296, 1071105, 1142512, 1224120, 1428140, 1632160, 1713768, 1958592, 2142210, 2285024, 2448240, 2856280, 3264320, 3427536, 4284420, 4570048, 4896480, 5712560, 6855072, 8568840, 9792960, 11425120, 13710144, 17137680, 22850240, 34275360, 68550720]

約数ペア:

[(1, 68550720), (2, 34275360), (3, 22850240), (4, 17137680), (5, 13710144), (6, 11425120), (7, 9792960), (8, 8568840), (10, 6855072), (12, 5712560), (14, 4896480), (15, 4570048), (16, 4284420), (20, 3427536), (21, 3264320), (24, 2856280), (28, 2448240), (30, 2285024), (32, 2142210), (35, 1958592), (40, 1713768), (42, 1632160), (48, 1428140), (56, 1224120), (60, 1142512), (64, 1071105), (70, 979296), (80, 856884), (84, 816080), (96, 714070), (101, 678720), (105, 652864), (112, 612060), (120, 571256), (140, 489648), (160, 428442), (168, 408040), (192, 357035), (202, 339360), (210, 326432), (224, 306030), (240, 285628), (280, 244824), (303, 226240), (320, 214221), (336, 204020), (404, 169680), (420, 163216), (448, 153015), (480, 142814), (505, 135744), (560, 122412), (606, 113120), (672, 102010), (707, 96960), (808, 84840), (840, 81608), (960, 71407), (1010, 67872), (1120, 61206), (1212, 56560), (1344, 51005), (1414, 48480), (1515, 45248), (1616, 42420), (1680, 40804), (2020, 33936), (2121, 32320), (2240, 30603), (2424, 28280), (2828, 24240), (3030, 22624), (3232, 21210), (3360, 20402), (3535, 19392), (4040, 16968), (4242, 16160), (4848, 14140), (5656, 12120), (6060, 11312), (6464, 10605), (6720, 10201), (7070, 9696), (8080, 8484)]