68740140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{227}}^1$

素因数の和:356

約数の個数: 144

約数和(自身を含む): 227066112

約数和(自身を除く): 158325972

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 103, 105, 140, 147, 196, 206, 210, 227, 245, 294, 309, 412, 420, 454, 490, 515, 588, 618, 681, 721, 735, 908, 980, 1030, 1135, 1236, 1362, 1442, 1470, 1545, 1589, 2060, 2163, 2270, 2724, 2884, 2940, 3090, 3178, 3405, 3605, 4326, 4540, 4767, 5047, 6180, 6356, 6810, 7210, 7945, 8652, 9534, 10094, 10815, 11123, 13620, 14420, 15141, 15890, 19068, 20188, 21630, 22246, 23381, 23835, 25235, 30282, 31780, 33369, 43260, 44492, 46762, 47670, 50470, 55615, 60564, 66738, 70143, 75705, 93524, 95340, 100940, 111230, 116905, 133476, 140286, 151410, 163667, 166845, 222460, 233810, 280572, 302820, 327334, 333690, 350715, 467620, 491001, 654668, 667380, 701430, 818335, 982002, 1145669, 1402860, 1636670, 1964004, 2291338, 2455005, 3273340, 3437007, 4582676, 4910010, 5728345, 6874014, 9820020, 11456690, 13748028, 17185035, 22913380, 34370070, 68740140]

約数ペア:

[(1, 68740140), (2, 34370070), (3, 22913380), (4, 17185035), (5, 13748028), (6, 11456690), (7, 9820020), (10, 6874014), (12, 5728345), (14, 4910010), (15, 4582676), (20, 3437007), (21, 3273340), (28, 2455005), (30, 2291338), (35, 1964004), (42, 1636670), (49, 1402860), (60, 1145669), (70, 982002), (84, 818335), (98, 701430), (103, 667380), (105, 654668), (140, 491001), (147, 467620), (196, 350715), (206, 333690), (210, 327334), (227, 302820), (245, 280572), (294, 233810), (309, 222460), (412, 166845), (420, 163667), (454, 151410), (490, 140286), (515, 133476), (588, 116905), (618, 111230), (681, 100940), (721, 95340), (735, 93524), (908, 75705), (980, 70143), (1030, 66738), (1135, 60564), (1236, 55615), (1362, 50470), (1442, 47670), (1470, 46762), (1545, 44492), (1589, 43260), (2060, 33369), (2163, 31780), (2270, 30282), (2724, 25235), (2884, 23835), (2940, 23381), (3090, 22246), (3178, 21630), (3405, 20188), (3605, 19068), (4326, 15890), (4540, 15141), (4767, 14420), (5047, 13620), (6180, 11123), (6356, 10815), (6810, 10094), (7210, 9534), (7945, 8652)]