12680220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{227}}^1$

素因数の和:272

約数の個数: 144

約数和(自身を含む): 43666560

約数和(自身を除く): 30986340

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 49, 57, 60, 70, 76, 84, 95, 98, 105, 114, 133, 140, 147, 190, 196, 210, 227, 228, 245, 266, 285, 294, 380, 399, 420, 454, 490, 532, 570, 588, 665, 681, 735, 798, 908, 931, 980, 1135, 1140, 1330, 1362, 1470, 1589, 1596, 1862, 1995, 2270, 2660, 2724, 2793, 2940, 3178, 3405, 3724, 3990, 4313, 4540, 4655, 4767, 5586, 6356, 6810, 7945, 7980, 8626, 9310, 9534, 11123, 11172, 12939, 13620, 13965, 15890, 17252, 18620, 19068, 21565, 22246, 23835, 25878, 27930, 30191, 31780, 33369, 43130, 44492, 47670, 51756, 55615, 55860, 60382, 64695, 66738, 86260, 90573, 95340, 111230, 120764, 129390, 133476, 150955, 166845, 181146, 211337, 222460, 258780, 301910, 333690, 362292, 422674, 452865, 603820, 634011, 667380, 845348, 905730, 1056685, 1268022, 1811460, 2113370, 2536044, 3170055, 4226740, 6340110, 12680220]

約数ペア:

[(1, 12680220), (2, 6340110), (3, 4226740), (4, 3170055), (5, 2536044), (6, 2113370), (7, 1811460), (10, 1268022), (12, 1056685), (14, 905730), (15, 845348), (19, 667380), (20, 634011), (21, 603820), (28, 452865), (30, 422674), (35, 362292), (38, 333690), (42, 301910), (49, 258780), (57, 222460), (60, 211337), (70, 181146), (76, 166845), (84, 150955), (95, 133476), (98, 129390), (105, 120764), (114, 111230), (133, 95340), (140, 90573), (147, 86260), (190, 66738), (196, 64695), (210, 60382), (227, 55860), (228, 55615), (245, 51756), (266, 47670), (285, 44492), (294, 43130), (380, 33369), (399, 31780), (420, 30191), (454, 27930), (490, 25878), (532, 23835), (570, 22246), (588, 21565), (665, 19068), (681, 18620), (735, 17252), (798, 15890), (908, 13965), (931, 13620), (980, 12939), (1135, 11172), (1140, 11123), (1330, 9534), (1362, 9310), (1470, 8626), (1589, 7980), (1596, 7945), (1862, 6810), (1995, 6356), (2270, 5586), (2660, 4767), (2724, 4655), (2793, 4540), (2940, 4313), (3178, 3990), (3405, 3724)]