81848340

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{367}}^1$

素因数の和:451

約数の個数: 192

約数和(自身を含む): 296755200

約数和(自身を除く): 214906860

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, 84, 90, 105, 108, 118, 126, 135, 140, 177, 180, 189, 210, 236, 252, 270, 295, 315, 354, 367, 378, 413, 420, 531, 540, 590, 630, 708, 734, 756, 826, 885, 945, 1062, 1101, 1180, 1239, 1260, 1468, 1593, 1652, 1770, 1835, 1890, 2065, 2124, 2202, 2478, 2569, 2655, 3186, 3303, 3540, 3670, 3717, 3780, 4130, 4404, 4956, 5138, 5310, 5505, 6195, 6372, 6606, 7340, 7434, 7707, 7965, 8260, 9909, 10276, 10620, 11010, 11151, 12390, 12845, 13212, 14868, 15414, 15930, 16515, 18585, 19818, 21653, 22020, 22302, 23121, 24780, 25690, 30828, 31860, 33030, 37170, 38535, 39636, 43306, 44604, 46242, 49545, 51380, 55755, 64959, 66060, 69363, 74340, 77070, 86612, 92484, 99090, 108265, 111510, 115605, 129918, 138726, 151571, 154140, 194877, 198180, 216530, 223020, 231210, 259836, 277452, 303142, 324795, 346815, 389754, 433060, 454713, 462420, 584631, 606284, 649590, 693630, 757855, 779508, 909426, 974385, 1169262, 1299180, 1364139, 1387260, 1515710, 1818852, 1948770, 2273565, 2338524, 2728278, 2923155, 3031420, 3897540, 4092417, 4547130, 5456556, 5846310, 6820695, 8184834, 9094260, 11692620, 13641390, 16369668, 20462085, 27282780, 40924170, 81848340]

約数ペア:

[(1, 81848340), (2, 40924170), (3, 27282780), (4, 20462085), (5, 16369668), (6, 13641390), (7, 11692620), (9, 9094260), (10, 8184834), (12, 6820695), (14, 5846310), (15, 5456556), (18, 4547130), (20, 4092417), (21, 3897540), (27, 3031420), (28, 2923155), (30, 2728278), (35, 2338524), (36, 2273565), (42, 1948770), (45, 1818852), (54, 1515710), (59, 1387260), (60, 1364139), (63, 1299180), (70, 1169262), (84, 974385), (90, 909426), (105, 779508), (108, 757855), (118, 693630), (126, 649590), (135, 606284), (140, 584631), (177, 462420), (180, 454713), (189, 433060), (210, 389754), (236, 346815), (252, 324795), (270, 303142), (295, 277452), (315, 259836), (354, 231210), (367, 223020), (378, 216530), (413, 198180), (420, 194877), (531, 154140), (540, 151571), (590, 138726), (630, 129918), (708, 115605), (734, 111510), (756, 108265), (826, 99090), (885, 92484), (945, 86612), (1062, 77070), (1101, 74340), (1180, 69363), (1239, 66060), (1260, 64959), (1468, 55755), (1593, 51380), (1652, 49545), (1770, 46242), (1835, 44604), (1890, 43306), (2065, 39636), (2124, 38535), (2202, 37170), (2478, 33030), (2569, 31860), (2655, 30828), (3186, 25690), (3303, 24780), (3540, 23121), (3670, 22302), (3717, 22020), (3780, 21653), (4130, 19818), (4404, 18585), (4956, 16515), (5138, 15930), (5310, 15414), (5505, 14868), (6195, 13212), (6372, 12845), (6606, 12390), (7340, 11151), (7434, 11010), (7707, 10620), (7965, 10276), (8260, 9909)]