649634220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{1283}}^1$

素因数の和:1424

約数の個数: 144

約数和(自身を含む): 2061128160

約数和(自身を除く): 1411493940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 97, 116, 145, 174, 180, 194, 261, 290, 291, 348, 388, 435, 485, 522, 580, 582, 870, 873, 970, 1044, 1164, 1283, 1305, 1455, 1740, 1746, 1940, 2566, 2610, 2813, 2910, 3492, 3849, 4365, 5132, 5220, 5626, 5820, 6415, 7698, 8439, 8730, 11252, 11547, 12830, 14065, 15396, 16878, 17460, 19245, 23094, 25317, 25660, 28130, 33756, 37207, 38490, 42195, 46188, 50634, 56260, 57735, 74414, 76980, 84390, 101268, 111621, 115470, 124451, 126585, 148828, 168780, 186035, 223242, 230940, 248902, 253170, 334863, 372070, 373353, 446484, 497804, 506340, 558105, 622255, 669726, 744140, 746706, 1116210, 1120059, 1244510, 1339452, 1493412, 1674315, 1866765, 2232420, 2240118, 2489020, 3348630, 3609079, 3733530, 4480236, 5600295, 6697260, 7218158, 7467060, 10827237, 11200590, 14436316, 18045395, 21654474, 22401180, 32481711, 36090790, 43308948, 54136185, 64963422, 72181580, 108272370, 129926844, 162408555, 216544740, 324817110, 649634220]

約数ペア:

[(1, 649634220), (2, 324817110), (3, 216544740), (4, 162408555), (5, 129926844), (6, 108272370), (9, 72181580), (10, 64963422), (12, 54136185), (15, 43308948), (18, 36090790), (20, 32481711), (29, 22401180), (30, 21654474), (36, 18045395), (45, 14436316), (58, 11200590), (60, 10827237), (87, 7467060), (90, 7218158), (97, 6697260), (116, 5600295), (145, 4480236), (174, 3733530), (180, 3609079), (194, 3348630), (261, 2489020), (290, 2240118), (291, 2232420), (348, 1866765), (388, 1674315), (435, 1493412), (485, 1339452), (522, 1244510), (580, 1120059), (582, 1116210), (870, 746706), (873, 744140), (970, 669726), (1044, 622255), (1164, 558105), (1283, 506340), (1305, 497804), (1455, 446484), (1740, 373353), (1746, 372070), (1940, 334863), (2566, 253170), (2610, 248902), (2813, 230940), (2910, 223242), (3492, 186035), (3849, 168780), (4365, 148828), (5132, 126585), (5220, 124451), (5626, 115470), (5820, 111621), (6415, 101268), (7698, 84390), (8439, 76980), (8730, 74414), (11252, 57735), (11547, 56260), (12830, 50634), (14065, 46188), (15396, 42195), (16878, 38490), (17460, 37207), (19245, 33756), (23094, 28130), (25317, 25660)]