171948420

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{257}}^1$

素因数の和:344

約数の個数: 240

約数和(自身を含む): 629354880

約数和(自身を除く): 457406460

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 59, 60, 63, 70, 81, 84, 90, 105, 108, 118, 126, 135, 140, 162, 177, 180, 189, 210, 236, 252, 257, 270, 295, 315, 324, 354, 378, 405, 413, 420, 514, 531, 540, 567, 590, 630, 708, 756, 771, 810, 826, 885, 945, 1028, 1062, 1134, 1180, 1239, 1260, 1285, 1542, 1593, 1620, 1652, 1770, 1799, 1890, 2065, 2124, 2268, 2313, 2478, 2570, 2655, 2835, 3084, 3186, 3540, 3598, 3717, 3780, 3855, 4130, 4626, 4779, 4956, 5140, 5310, 5397, 5670, 6195, 6372, 6939, 7196, 7434, 7710, 7965, 8260, 8995, 9252, 9558, 10620, 10794, 11151, 11340, 11565, 12390, 13878, 14868, 15163, 15420, 15930, 16191, 17990, 18585, 19116, 20817, 21588, 22302, 23130, 23895, 24780, 26985, 27756, 30326, 31860, 32382, 33453, 34695, 35980, 37170, 41634, 44604, 45489, 46260, 47790, 48573, 53970, 55755, 60652, 64764, 66906, 69390, 74340, 75815, 80955, 83268, 90978, 95580, 97146, 104085, 106141, 107940, 111510, 133812, 136467, 138780, 145719, 151630, 161910, 167265, 181956, 194292, 208170, 212282, 223020, 227445, 242865, 272934, 291438, 303260, 318423, 323820, 334530, 409401, 416340, 424564, 454890, 485730, 530705, 545868, 582876, 636846, 669060, 682335, 728595, 818802, 909780, 955269, 971460, 1061410, 1228203, 1273692, 1364670, 1457190, 1592115, 1637604, 1910538, 2047005, 2122820, 2456406, 2729340, 2865807, 2914380, 3184230, 3821076, 4094010, 4776345, 4912812, 5731614, 6141015, 6368460, 8188020, 8597421, 9552690, 11463228, 12282030, 14329035, 17194842, 19105380, 24564060, 28658070, 34389684, 42987105, 57316140, 85974210, 171948420]

約数ペア:

[(1, 171948420), (2, 85974210), (3, 57316140), (4, 42987105), (5, 34389684), (6, 28658070), (7, 24564060), (9, 19105380), (10, 17194842), (12, 14329035), (14, 12282030), (15, 11463228), (18, 9552690), (20, 8597421), (21, 8188020), (27, 6368460), (28, 6141015), (30, 5731614), (35, 4912812), (36, 4776345), (42, 4094010), (45, 3821076), (54, 3184230), (59, 2914380), (60, 2865807), (63, 2729340), (70, 2456406), (81, 2122820), (84, 2047005), (90, 1910538), (105, 1637604), (108, 1592115), (118, 1457190), (126, 1364670), (135, 1273692), (140, 1228203), (162, 1061410), (177, 971460), (180, 955269), (189, 909780), (210, 818802), (236, 728595), (252, 682335), (257, 669060), (270, 636846), (295, 582876), (315, 545868), (324, 530705), (354, 485730), (378, 454890), (405, 424564), (413, 416340), (420, 409401), (514, 334530), (531, 323820), (540, 318423), (567, 303260), (590, 291438), (630, 272934), (708, 242865), (756, 227445), (771, 223020), (810, 212282), (826, 208170), (885, 194292), (945, 181956), (1028, 167265), (1062, 161910), (1134, 151630), (1180, 145719), (1239, 138780), (1260, 136467), (1285, 133812), (1542, 111510), (1593, 107940), (1620, 106141), (1652, 104085), (1770, 97146), (1799, 95580), (1890, 90978), (2065, 83268), (2124, 80955), (2268, 75815), (2313, 74340), (2478, 69390), (2570, 66906), (2655, 64764), (2835, 60652), (3084, 55755), (3186, 53970), (3540, 48573), (3598, 47790), (3717, 46260), (3780, 45489), (3855, 44604), (4130, 41634), (4626, 37170), (4779, 35980), (4956, 34695), (5140, 33453), (5310, 32382), (5397, 31860), (5670, 30326), (6195, 27756), (6372, 26985), (6939, 24780), (7196, 23895), (7434, 23130), (7710, 22302), (7965, 21588), (8260, 20817), (8995, 19116), (9252, 18585), (9558, 17990), (10620, 16191), (10794, 15930), (11151, 15420), (11340, 15163), (11565, 14868), (12390, 13878)]