12591720

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:240

約数の個数: 128

約数和(自身を含む): 42768000

約数和(自身を除く): 30176280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 89, 90, 108, 120, 131, 135, 178, 180, 216, 262, 267, 270, 356, 360, 393, 445, 524, 534, 540, 655, 712, 786, 801, 890, 1048, 1068, 1080, 1179, 1310, 1335, 1572, 1602, 1780, 1965, 2136, 2358, 2403, 2620, 2670, 3144, 3204, 3537, 3560, 3930, 4005, 4716, 4806, 5240, 5340, 5895, 6408, 7074, 7860, 8010, 9432, 9612, 10680, 11659, 11790, 12015, 14148, 15720, 16020, 17685, 19224, 23318, 23580, 24030, 28296, 32040, 34977, 35370, 46636, 47160, 48060, 58295, 69954, 70740, 93272, 96120, 104931, 116590, 139908, 141480, 174885, 209862, 233180, 279816, 314793, 349770, 419724, 466360, 524655, 629586, 699540, 839448, 1049310, 1259172, 1399080, 1573965, 2098620, 2518344, 3147930, 4197240, 6295860, 12591720]

約数ペア:

[(1, 12591720), (2, 6295860), (3, 4197240), (4, 3147930), (5, 2518344), (6, 2098620), (8, 1573965), (9, 1399080), (10, 1259172), (12, 1049310), (15, 839448), (18, 699540), (20, 629586), (24, 524655), (27, 466360), (30, 419724), (36, 349770), (40, 314793), (45, 279816), (54, 233180), (60, 209862), (72, 174885), (89, 141480), (90, 139908), (108, 116590), (120, 104931), (131, 96120), (135, 93272), (178, 70740), (180, 69954), (216, 58295), (262, 48060), (267, 47160), (270, 46636), (356, 35370), (360, 34977), (393, 32040), (445, 28296), (524, 24030), (534, 23580), (540, 23318), (655, 19224), (712, 17685), (786, 16020), (801, 15720), (890, 14148), (1048, 12015), (1068, 11790), (1080, 11659), (1179, 10680), (1310, 9612), (1335, 9432), (1572, 8010), (1602, 7860), (1780, 7074), (1965, 6408), (2136, 5895), (2358, 5340), (2403, 5240), (2620, 4806), (2670, 4716), (3144, 4005), (3204, 3930), (3537, 3560)]