72521960

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{163}}^1\times {\mathrm{227}}^1$

素因数の和:415

約数の個数: 96

約数和(自身を含む): 191820960

約数和(自身を除く): 119299000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 163, 196, 227, 245, 280, 326, 392, 454, 490, 652, 815, 908, 980, 1135, 1141, 1304, 1589, 1630, 1816, 1960, 2270, 2282, 3178, 3260, 4540, 4564, 5705, 6356, 6520, 7945, 7987, 9080, 9128, 11123, 11410, 12712, 15890, 15974, 22246, 22820, 31780, 31948, 37001, 39935, 44492, 45640, 55615, 63560, 63896, 74002, 79870, 88984, 111230, 148004, 159740, 185005, 222460, 259007, 296008, 319480, 370010, 444920, 518014, 740020, 1036028, 1295035, 1480040, 1813049, 2072056, 2590070, 3626098, 5180140, 7252196, 9065245, 10360280, 14504392, 18130490, 36260980, 72521960]

約数ペア:

[(1, 72521960), (2, 36260980), (4, 18130490), (5, 14504392), (7, 10360280), (8, 9065245), (10, 7252196), (14, 5180140), (20, 3626098), (28, 2590070), (35, 2072056), (40, 1813049), (49, 1480040), (56, 1295035), (70, 1036028), (98, 740020), (140, 518014), (163, 444920), (196, 370010), (227, 319480), (245, 296008), (280, 259007), (326, 222460), (392, 185005), (454, 159740), (490, 148004), (652, 111230), (815, 88984), (908, 79870), (980, 74002), (1135, 63896), (1141, 63560), (1304, 55615), (1589, 45640), (1630, 44492), (1816, 39935), (1960, 37001), (2270, 31948), (2282, 31780), (3178, 22820), (3260, 22246), (4540, 15974), (4564, 15890), (5705, 12712), (6356, 11410), (6520, 11123), (7945, 9128), (7987, 9080)]