7220640

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{307}}^1$

素因数の和:339

約数の個数: 144

約数和(自身を含む): 26544672

約数和(自身を除く): 19324032

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, 49, 56, 60, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 196, 210, 224, 240, 245, 280, 294, 307, 336, 392, 420, 480, 490, 560, 588, 614, 672, 735, 784, 840, 921, 980, 1120, 1176, 1228, 1470, 1535, 1568, 1680, 1842, 1960, 2149, 2352, 2456, 2940, 3070, 3360, 3684, 3920, 4298, 4605, 4704, 4912, 5880, 6140, 6447, 7368, 7840, 8596, 9210, 9824, 10745, 11760, 12280, 12894, 14736, 15043, 17192, 18420, 21490, 23520, 24560, 25788, 29472, 30086, 32235, 34384, 36840, 42980, 45129, 49120, 51576, 60172, 64470, 68768, 73680, 75215, 85960, 90258, 103152, 120344, 128940, 147360, 150430, 171920, 180516, 206304, 225645, 240688, 257880, 300860, 343840, 361032, 451290, 481376, 515760, 601720, 722064, 902580, 1031520, 1203440, 1444128, 1805160, 2406880, 3610320, 7220640]

約数ペア:

[(1, 7220640), (2, 3610320), (3, 2406880), (4, 1805160), (5, 1444128), (6, 1203440), (7, 1031520), (8, 902580), (10, 722064), (12, 601720), (14, 515760), (15, 481376), (16, 451290), (20, 361032), (21, 343840), (24, 300860), (28, 257880), (30, 240688), (32, 225645), (35, 206304), (40, 180516), (42, 171920), (48, 150430), (49, 147360), (56, 128940), (60, 120344), (70, 103152), (80, 90258), (84, 85960), (96, 75215), (98, 73680), (105, 68768), (112, 64470), (120, 60172), (140, 51576), (147, 49120), (160, 45129), (168, 42980), (196, 36840), (210, 34384), (224, 32235), (240, 30086), (245, 29472), (280, 25788), (294, 24560), (307, 23520), (336, 21490), (392, 18420), (420, 17192), (480, 15043), (490, 14736), (560, 12894), (588, 12280), (614, 11760), (672, 10745), (735, 9824), (784, 9210), (840, 8596), (921, 7840), (980, 7368), (1120, 6447), (1176, 6140), (1228, 5880), (1470, 4912), (1535, 4704), (1568, 4605), (1680, 4298), (1842, 3920), (1960, 3684), (2149, 3360), (2352, 3070), (2456, 2940)]