291844980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^3\times {\mathrm{29}}^1\times {\mathrm{163}}^1$

素因数の和:228

約数の個数: 288

約数和(自身を含む): 1074528000

約数和(自身を除く): 782683020

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 29, 30, 35, 36, 42, 45, 49, 58, 60, 63, 70, 84, 87, 90, 98, 105, 116, 126, 140, 145, 147, 163, 174, 180, 196, 203, 210, 245, 252, 261, 290, 294, 315, 326, 343, 348, 406, 420, 435, 441, 489, 490, 522, 580, 588, 609, 630, 652, 686, 735, 812, 815, 870, 882, 978, 980, 1015, 1029, 1044, 1141, 1218, 1260, 1305, 1372, 1421, 1467, 1470, 1630, 1715, 1740, 1764, 1827, 1956, 2030, 2058, 2205, 2282, 2436, 2445, 2610, 2842, 2934, 2940, 3045, 3087, 3260, 3423, 3430, 3654, 4060, 4116, 4263, 4410, 4564, 4727, 4890, 5145, 5220, 5684, 5705, 5868, 6090, 6174, 6846, 6860, 7105, 7308, 7335, 7987, 8526, 8820, 9135, 9454, 9780, 9947, 10269, 10290, 11410, 12180, 12348, 12789, 13692, 14181, 14210, 14670, 15435, 15974, 17052, 17115, 18270, 18908, 19894, 20538, 20580, 21315, 22820, 23635, 23961, 25578, 28362, 28420, 29340, 29841, 30870, 31948, 33089, 34230, 36540, 39788, 39935, 41076, 42543, 42630, 47270, 47922, 49735, 51156, 51345, 55909, 56724, 59682, 61740, 63945, 66178, 68460, 70905, 71883, 79870, 85086, 85260, 89523, 94540, 95844, 99267, 99470, 102690, 111818, 119364, 119805, 127890, 132356, 141810, 143766, 149205, 159740, 165445, 167727, 170172, 179046, 198534, 198940, 205380, 212715, 223636, 231623, 239610, 255780, 279545, 283620, 287532, 297801, 298410, 330890, 335454, 358092, 359415, 397068, 425430, 447615, 463246, 479220, 496335, 503181, 559090, 595602, 596820, 661780, 670908, 694869, 718830, 838635, 850860, 895230, 926492, 992670, 1006362, 1118180, 1158115, 1191204, 1389738, 1437660, 1489005, 1621361, 1677270, 1790460, 1985340, 2012724, 2084607, 2316230, 2515905, 2779476, 2978010, 3242722, 3354540, 3474345, 4169214, 4632460, 4864083, 5031810, 5956020, 6485444, 6948690, 8106805, 8338428, 9728166, 10063620, 10423035, 13897380, 14592249, 16213610, 19456332, 20846070, 24320415, 29184498, 32427220, 41692140, 48640830, 58368996, 72961245, 97281660, 145922490, 291844980]

約数ペア:

[(1, 291844980), (2, 145922490), (3, 97281660), (4, 72961245), (5, 58368996), (6, 48640830), (7, 41692140), (9, 32427220), (10, 29184498), (12, 24320415), (14, 20846070), (15, 19456332), (18, 16213610), (20, 14592249), (21, 13897380), (28, 10423035), (29, 10063620), (30, 9728166), (35, 8338428), (36, 8106805), (42, 6948690), (45, 6485444), (49, 5956020), (58, 5031810), (60, 4864083), (63, 4632460), (70, 4169214), (84, 3474345), (87, 3354540), (90, 3242722), (98, 2978010), (105, 2779476), (116, 2515905), (126, 2316230), (140, 2084607), (145, 2012724), (147, 1985340), (163, 1790460), (174, 1677270), (180, 1621361), (196, 1489005), (203, 1437660), (210, 1389738), (245, 1191204), (252, 1158115), (261, 1118180), (290, 1006362), (294, 992670), (315, 926492), (326, 895230), (343, 850860), (348, 838635), (406, 718830), (420, 694869), (435, 670908), (441, 661780), (489, 596820), (490, 595602), (522, 559090), (580, 503181), (588, 496335), (609, 479220), (630, 463246), (652, 447615), (686, 425430), (735, 397068), (812, 359415), (815, 358092), (870, 335454), (882, 330890), (978, 298410), (980, 297801), (1015, 287532), (1029, 283620), (1044, 279545), (1141, 255780), (1218, 239610), (1260, 231623), (1305, 223636), (1372, 212715), (1421, 205380), (1467, 198940), (1470, 198534), (1630, 179046), (1715, 170172), (1740, 167727), (1764, 165445), (1827, 159740), (1956, 149205), (2030, 143766), (2058, 141810), (2205, 132356), (2282, 127890), (2436, 119805), (2445, 119364), (2610, 111818), (2842, 102690), (2934, 99470), (2940, 99267), (3045, 95844), (3087, 94540), (3260, 89523), (3423, 85260), (3430, 85086), (3654, 79870), (4060, 71883), (4116, 70905), (4263, 68460), (4410, 66178), (4564, 63945), (4727, 61740), (4890, 59682), (5145, 56724), (5220, 55909), (5684, 51345), (5705, 51156), (5868, 49735), (6090, 47922), (6174, 47270), (6846, 42630), (6860, 42543), (7105, 41076), (7308, 39935), (7335, 39788), (7987, 36540), (8526, 34230), (8820, 33089), (9135, 31948), (9454, 30870), (9780, 29841), (9947, 29340), (10269, 28420), (10290, 28362), (11410, 25578), (12180, 23961), (12348, 23635), (12789, 22820), (13692, 21315), (14181, 20580), (14210, 20538), (14670, 19894), (15435, 18908), (15974, 18270), (17052, 17115)]