728843640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{123953}}^1$

素因数の和:123981

約数の個数: 96

約数和(自身を含む): 2543536080

約数和(自身を除く): 1814692440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 392, 420, 490, 588, 735, 840, 980, 1176, 1470, 1960, 2940, 5880, 123953, 247906, 371859, 495812, 619765, 743718, 867671, 991624, 1239530, 1487436, 1735342, 1859295, 2479060, 2603013, 2974872, 3470684, 3718590, 4338355, 4958120, 5206026, 6073697, 6941368, 7437180, 8676710, 10412052, 12147394, 13015065, 14874360, 17353420, 18221091, 20824104, 24294788, 26030130, 30368485, 34706840, 36442182, 48589576, 52060260, 60736970, 72884364, 91105455, 104120520, 121473940, 145768728, 182210910, 242947880, 364421820, 728843640]

約数ペア:

[(1, 728843640), (2, 364421820), (3, 242947880), (4, 182210910), (5, 145768728), (6, 121473940), (7, 104120520), (8, 91105455), (10, 72884364), (12, 60736970), (14, 52060260), (15, 48589576), (20, 36442182), (21, 34706840), (24, 30368485), (28, 26030130), (30, 24294788), (35, 20824104), (40, 18221091), (42, 17353420), (49, 14874360), (56, 13015065), (60, 12147394), (70, 10412052), (84, 8676710), (98, 7437180), (105, 6941368), (120, 6073697), (140, 5206026), (147, 4958120), (168, 4338355), (196, 3718590), (210, 3470684), (245, 2974872), (280, 2603013), (294, 2479060), (392, 1859295), (420, 1735342), (490, 1487436), (588, 1239530), (735, 991624), (840, 867671), (980, 743718), (1176, 619765), (1470, 495812), (1960, 371859), (2940, 247906), (5880, 123953)]