31810380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:168

約数の個数: 192

約数和(自身を含む): 110315520

約数和(自身を除く): 78505140

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 37, 42, 46, 60, 69, 70, 74, 84, 89, 92, 105, 111, 115, 138, 140, 148, 161, 178, 185, 210, 222, 230, 259, 267, 276, 322, 345, 356, 370, 420, 444, 445, 460, 483, 518, 534, 555, 623, 644, 690, 740, 777, 805, 851, 890, 966, 1036, 1068, 1110, 1246, 1295, 1335, 1380, 1554, 1610, 1702, 1780, 1869, 1932, 2047, 2220, 2415, 2492, 2553, 2590, 2670, 3108, 3115, 3220, 3293, 3404, 3738, 3885, 4094, 4255, 4830, 5106, 5180, 5340, 5957, 6141, 6230, 6586, 7476, 7770, 8188, 8510, 9345, 9660, 9879, 10212, 10235, 11914, 12282, 12460, 12765, 13172, 14329, 15540, 16465, 17020, 17871, 18690, 19758, 20470, 23051, 23828, 24564, 25530, 28658, 29785, 30705, 32930, 35742, 37380, 39516, 40940, 42987, 46102, 49395, 51060, 57316, 59570, 61410, 65860, 69153, 71484, 71645, 75739, 85974, 89355, 92204, 98790, 115255, 119140, 122820, 138306, 143290, 151478, 171948, 178710, 197580, 214935, 227217, 230510, 276612, 286580, 302956, 345765, 357420, 378695, 429870, 454434, 461020, 530173, 691530, 757390, 859740, 908868, 1060346, 1136085, 1383060, 1514780, 1590519, 2120692, 2272170, 2650865, 3181038, 4544340, 5301730, 6362076, 7952595, 10603460, 15905190, 31810380]

約数ペア:

[(1, 31810380), (2, 15905190), (3, 10603460), (4, 7952595), (5, 6362076), (6, 5301730), (7, 4544340), (10, 3181038), (12, 2650865), (14, 2272170), (15, 2120692), (20, 1590519), (21, 1514780), (23, 1383060), (28, 1136085), (30, 1060346), (35, 908868), (37, 859740), (42, 757390), (46, 691530), (60, 530173), (69, 461020), (70, 454434), (74, 429870), (84, 378695), (89, 357420), (92, 345765), (105, 302956), (111, 286580), (115, 276612), (138, 230510), (140, 227217), (148, 214935), (161, 197580), (178, 178710), (185, 171948), (210, 151478), (222, 143290), (230, 138306), (259, 122820), (267, 119140), (276, 115255), (322, 98790), (345, 92204), (356, 89355), (370, 85974), (420, 75739), (444, 71645), (445, 71484), (460, 69153), (483, 65860), (518, 61410), (534, 59570), (555, 57316), (623, 51060), (644, 49395), (690, 46102), (740, 42987), (777, 40940), (805, 39516), (851, 37380), (890, 35742), (966, 32930), (1036, 30705), (1068, 29785), (1110, 28658), (1246, 25530), (1295, 24564), (1335, 23828), (1380, 23051), (1554, 20470), (1610, 19758), (1702, 18690), (1780, 17871), (1869, 17020), (1932, 16465), (2047, 15540), (2220, 14329), (2415, 13172), (2492, 12765), (2553, 12460), (2590, 12282), (2670, 11914), (3108, 10235), (3115, 10212), (3220, 9879), (3293, 9660), (3404, 9345), (3738, 8510), (3885, 8188), (4094, 7770), (4255, 7476), (4830, 6586), (5106, 6230), (5180, 6141), (5340, 5957)]