71997660

素因数分解:

$2^2\times 3^4\times 5^1\times 7^2\times {\mathrm{907}}^1$

素因数の和:942

約数の個数: 180

約数和(自身を含む): 263023992

約数和(自身を除く): 191026332

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, 49, 54, 60, 63, 70, 81, 84, 90, 98, 105, 108, 126, 135, 140, 147, 162, 180, 189, 196, 210, 245, 252, 270, 294, 315, 324, 378, 405, 420, 441, 490, 540, 567, 588, 630, 735, 756, 810, 882, 907, 945, 980, 1134, 1260, 1323, 1470, 1620, 1764, 1814, 1890, 2205, 2268, 2646, 2721, 2835, 2940, 3628, 3780, 3969, 4410, 4535, 5292, 5442, 5670, 6349, 6615, 7938, 8163, 8820, 9070, 10884, 11340, 12698, 13230, 13605, 15876, 16326, 18140, 19047, 19845, 24489, 25396, 26460, 27210, 31745, 32652, 38094, 39690, 40815, 44443, 48978, 54420, 57141, 63490, 73467, 76188, 79380, 81630, 88886, 95235, 97956, 114282, 122445, 126980, 133329, 146934, 163260, 171423, 177772, 190470, 222215, 228564, 244890, 266658, 285705, 293868, 342846, 367335, 380940, 399987, 444430, 489780, 514269, 533316, 571410, 666645, 685692, 734670, 799974, 857115, 888860, 1028538, 1142820, 1199961, 1333290, 1469340, 1599948, 1714230, 1999935, 2057076, 2399922, 2571345, 2666580, 3428460, 3599883, 3999870, 4799844, 5142690, 5999805, 7199766, 7999740, 10285380, 11999610, 14399532, 17999415, 23999220, 35998830, 71997660]

約数ペア:

[(1, 71997660), (2, 35998830), (3, 23999220), (4, 17999415), (5, 14399532), (6, 11999610), (7, 10285380), (9, 7999740), (10, 7199766), (12, 5999805), (14, 5142690), (15, 4799844), (18, 3999870), (20, 3599883), (21, 3428460), (27, 2666580), (28, 2571345), (30, 2399922), (35, 2057076), (36, 1999935), (42, 1714230), (45, 1599948), (49, 1469340), (54, 1333290), (60, 1199961), (63, 1142820), (70, 1028538), (81, 888860), (84, 857115), (90, 799974), (98, 734670), (105, 685692), (108, 666645), (126, 571410), (135, 533316), (140, 514269), (147, 489780), (162, 444430), (180, 399987), (189, 380940), (196, 367335), (210, 342846), (245, 293868), (252, 285705), (270, 266658), (294, 244890), (315, 228564), (324, 222215), (378, 190470), (405, 177772), (420, 171423), (441, 163260), (490, 146934), (540, 133329), (567, 126980), (588, 122445), (630, 114282), (735, 97956), (756, 95235), (810, 88886), (882, 81630), (907, 79380), (945, 76188), (980, 73467), (1134, 63490), (1260, 57141), (1323, 54420), (1470, 48978), (1620, 44443), (1764, 40815), (1814, 39690), (1890, 38094), (2205, 32652), (2268, 31745), (2646, 27210), (2721, 26460), (2835, 25396), (2940, 24489), (3628, 19845), (3780, 19047), (3969, 18140), (4410, 16326), (4535, 15876), (5292, 13605), (5442, 13230), (5670, 12698), (6349, 11340), (6615, 10884), (7938, 9070), (8163, 8820)]