140652540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{431}}^1$

素因数の和:497

約数の個数: 216

約数和(自身を含む): 510898752

約数和(自身を除く): 370246212

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 37, 42, 45, 49, 60, 63, 70, 74, 84, 90, 98, 105, 111, 126, 140, 147, 148, 180, 185, 196, 210, 222, 245, 252, 259, 294, 315, 333, 370, 420, 431, 441, 444, 490, 518, 555, 588, 630, 666, 735, 740, 777, 862, 882, 980, 1036, 1110, 1260, 1293, 1295, 1332, 1470, 1554, 1665, 1724, 1764, 1813, 2155, 2205, 2220, 2331, 2586, 2590, 2940, 3017, 3108, 3330, 3626, 3879, 3885, 4310, 4410, 4662, 5172, 5180, 5439, 6034, 6465, 6660, 7252, 7758, 7770, 8620, 8820, 9051, 9065, 9324, 10878, 11655, 12068, 12930, 15085, 15516, 15540, 15947, 16317, 18102, 18130, 19395, 21119, 21756, 23310, 25860, 27153, 27195, 30170, 31894, 32634, 36204, 36260, 38790, 42238, 45255, 46620, 47841, 54306, 54390, 60340, 63357, 63788, 65268, 77580, 79735, 81585, 84476, 90510, 95682, 105595, 108612, 108780, 111629, 126714, 135765, 143523, 159470, 163170, 181020, 190071, 191364, 211190, 223258, 239205, 253428, 271530, 287046, 316785, 318940, 326340, 334887, 380142, 422380, 446516, 478410, 543060, 558145, 574092, 633570, 669774, 717615, 760284, 781403, 950355, 956820, 1004661, 1116290, 1267140, 1339548, 1435230, 1562806, 1674435, 1900710, 2009322, 2232580, 2344209, 2870460, 3125612, 3348870, 3801420, 3907015, 4018644, 4688418, 5023305, 6697740, 7032627, 7814030, 9376836, 10046610, 11721045, 14065254, 15628060, 20093220, 23442090, 28130508, 35163135, 46884180, 70326270, 140652540]

約数ペア:

[(1, 140652540), (2, 70326270), (3, 46884180), (4, 35163135), (5, 28130508), (6, 23442090), (7, 20093220), (9, 15628060), (10, 14065254), (12, 11721045), (14, 10046610), (15, 9376836), (18, 7814030), (20, 7032627), (21, 6697740), (28, 5023305), (30, 4688418), (35, 4018644), (36, 3907015), (37, 3801420), (42, 3348870), (45, 3125612), (49, 2870460), (60, 2344209), (63, 2232580), (70, 2009322), (74, 1900710), (84, 1674435), (90, 1562806), (98, 1435230), (105, 1339548), (111, 1267140), (126, 1116290), (140, 1004661), (147, 956820), (148, 950355), (180, 781403), (185, 760284), (196, 717615), (210, 669774), (222, 633570), (245, 574092), (252, 558145), (259, 543060), (294, 478410), (315, 446516), (333, 422380), (370, 380142), (420, 334887), (431, 326340), (441, 318940), (444, 316785), (490, 287046), (518, 271530), (555, 253428), (588, 239205), (630, 223258), (666, 211190), (735, 191364), (740, 190071), (777, 181020), (862, 163170), (882, 159470), (980, 143523), (1036, 135765), (1110, 126714), (1260, 111629), (1293, 108780), (1295, 108612), (1332, 105595), (1470, 95682), (1554, 90510), (1665, 84476), (1724, 81585), (1764, 79735), (1813, 77580), (2155, 65268), (2205, 63788), (2220, 63357), (2331, 60340), (2586, 54390), (2590, 54306), (2940, 47841), (3017, 46620), (3108, 45255), (3330, 42238), (3626, 38790), (3879, 36260), (3885, 36204), (4310, 32634), (4410, 31894), (4662, 30170), (5172, 27195), (5180, 27153), (5439, 25860), (6034, 23310), (6465, 21756), (6660, 21119), (7252, 19395), (7758, 18130), (7770, 18102), (8620, 16317), (8820, 15947), (9051, 15540), (9065, 15516), (9324, 15085), (10878, 12930), (11655, 12068)]