128577960

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{197}}^1$

素因数の和:265

約数の個数: 288

約数和(自身を含む): 501775560

約数和(自身を除く): 373197600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 37, 40, 42, 45, 49, 56, 60, 63, 70, 72, 74, 84, 90, 98, 105, 111, 120, 126, 140, 147, 148, 168, 180, 185, 196, 197, 210, 222, 245, 252, 259, 280, 294, 296, 315, 333, 360, 370, 392, 394, 420, 441, 444, 490, 504, 518, 555, 588, 591, 630, 666, 735, 740, 777, 788, 840, 882, 888, 980, 985, 1036, 1110, 1176, 1182, 1260, 1295, 1332, 1379, 1470, 1480, 1554, 1576, 1665, 1764, 1773, 1813, 1960, 1970, 2072, 2205, 2220, 2331, 2364, 2520, 2590, 2664, 2758, 2940, 2955, 3108, 3330, 3528, 3546, 3626, 3885, 3940, 4137, 4410, 4440, 4662, 4728, 5180, 5439, 5516, 5880, 5910, 6216, 6660, 6895, 7092, 7252, 7289, 7770, 7880, 8274, 8820, 8865, 9065, 9324, 9653, 10360, 10878, 11032, 11655, 11820, 12411, 13320, 13790, 14184, 14504, 14578, 15540, 16317, 16548, 17640, 17730, 18130, 18648, 19306, 20685, 21756, 21867, 23310, 23640, 24822, 27195, 27580, 28959, 29156, 31080, 32634, 33096, 35460, 36260, 36445, 38612, 41370, 43512, 43734, 46620, 48265, 49644, 51023, 54390, 55160, 57918, 58312, 62055, 65268, 65601, 70920, 72520, 72890, 77224, 81585, 82740, 86877, 87468, 93240, 96530, 99288, 102046, 108780, 109335, 115836, 124110, 130536, 131202, 144795, 145780, 153069, 163170, 165480, 173754, 174936, 193060, 204092, 217560, 218670, 231672, 248220, 255115, 262404, 289590, 291560, 306138, 326340, 328005, 347508, 357161, 386120, 408184, 434385, 437340, 459207, 496440, 510230, 524808, 579180, 612276, 652680, 656010, 695016, 714322, 765345, 868770, 874680, 918414, 1020460, 1071483, 1158360, 1224552, 1312020, 1428644, 1530690, 1737540, 1785805, 1836828, 2040920, 2142966, 2296035, 2624040, 2857288, 3061380, 3214449, 3475080, 3571610, 3673656, 4285932, 4592070, 5357415, 6122760, 6428898, 7143220, 8571864, 9184140, 10714830, 12857796, 14286440, 16072245, 18368280, 21429660, 25715592, 32144490, 42859320, 64288980, 128577960]

約数ペア:

[(1, 128577960), (2, 64288980), (3, 42859320), (4, 32144490), (5, 25715592), (6, 21429660), (7, 18368280), (8, 16072245), (9, 14286440), (10, 12857796), (12, 10714830), (14, 9184140), (15, 8571864), (18, 7143220), (20, 6428898), (21, 6122760), (24, 5357415), (28, 4592070), (30, 4285932), (35, 3673656), (36, 3571610), (37, 3475080), (40, 3214449), (42, 3061380), (45, 2857288), (49, 2624040), (56, 2296035), (60, 2142966), (63, 2040920), (70, 1836828), (72, 1785805), (74, 1737540), (84, 1530690), (90, 1428644), (98, 1312020), (105, 1224552), (111, 1158360), (120, 1071483), (126, 1020460), (140, 918414), (147, 874680), (148, 868770), (168, 765345), (180, 714322), (185, 695016), (196, 656010), (197, 652680), (210, 612276), (222, 579180), (245, 524808), (252, 510230), (259, 496440), (280, 459207), (294, 437340), (296, 434385), (315, 408184), (333, 386120), (360, 357161), (370, 347508), (392, 328005), (394, 326340), (420, 306138), (441, 291560), (444, 289590), (490, 262404), (504, 255115), (518, 248220), (555, 231672), (588, 218670), (591, 217560), (630, 204092), (666, 193060), (735, 174936), (740, 173754), (777, 165480), (788, 163170), (840, 153069), (882, 145780), (888, 144795), (980, 131202), (985, 130536), (1036, 124110), (1110, 115836), (1176, 109335), (1182, 108780), (1260, 102046), (1295, 99288), (1332, 96530), (1379, 93240), (1470, 87468), (1480, 86877), (1554, 82740), (1576, 81585), (1665, 77224), (1764, 72890), (1773, 72520), (1813, 70920), (1960, 65601), (1970, 65268), (2072, 62055), (2205, 58312), (2220, 57918), (2331, 55160), (2364, 54390), (2520, 51023), (2590, 49644), (2664, 48265), (2758, 46620), (2940, 43734), (2955, 43512), (3108, 41370), (3330, 38612), (3528, 36445), (3546, 36260), (3626, 35460), (3885, 33096), (3940, 32634), (4137, 31080), (4410, 29156), (4440, 28959), (4662, 27580), (4728, 27195), (5180, 24822), (5439, 23640), (5516, 23310), (5880, 21867), (5910, 21756), (6216, 20685), (6660, 19306), (6895, 18648), (7092, 18130), (7252, 17730), (7289, 17640), (7770, 16548), (7880, 16317), (8274, 15540), (8820, 14578), (8865, 14504), (9065, 14184), (9324, 13790), (9653, 13320), (10360, 12411), (10878, 11820), (11032, 11655)]