31531440780

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{30781}}^1$

素因数の和:31077

約数の個数: 192

約数和(自身を含む): 112529141760

約数和(自身を除く): 80997700980

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, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 271, 315, 378, 420, 540, 542, 630, 756, 813, 945, 1084, 1260, 1355, 1626, 1890, 1897, 2439, 2710, 3252, 3780, 3794, 4065, 4878, 5420, 5691, 7317, 7588, 8130, 9485, 9756, 11382, 12195, 14634, 16260, 17073, 18970, 22764, 24390, 28455, 29268, 30781, 34146, 36585, 37940, 48780, 51219, 56910, 61562, 68292, 73170, 85365, 92343, 102438, 113820, 123124, 146340, 153905, 170730, 184686, 204876, 215467, 256095, 277029, 307810, 341460, 369372, 430934, 461715, 512190, 554058, 615620, 646401, 831087, 861868, 923430, 1024380, 1077335, 1108116, 1292802, 1385145, 1662174, 1846860, 1939203, 2154670, 2585604, 2770290, 3232005, 3324348, 3878406, 4155435, 4309340, 5540580, 5817609, 6464010, 7756812, 8310870, 8341651, 9696015, 11635218, 12928020, 16621740, 16683302, 19392030, 23270436, 25024953, 29088045, 33366604, 38784060, 41708255, 50049906, 58176090, 58391557, 75074859, 83416510, 100099812, 116352180, 116783114, 125124765, 150149718, 166833020, 175174671, 225224577, 233566228, 250249530, 291957785, 300299436, 350349342, 375374295, 450449154, 500499060, 525524013, 583915570, 700698684, 750748590, 875873355, 900898308, 1051048026, 1126122885, 1167831140, 1501497180, 1576572039, 1751746710, 2102096052, 2252245770, 2627620065, 3153144078, 3503493420, 4504491540, 5255240130, 6306288156, 7882860195, 10510480260, 15765720390, 31531440780]

約数ペア:

[(1, 31531440780), (2, 15765720390), (3, 10510480260), (4, 7882860195), (5, 6306288156), (6, 5255240130), (7, 4504491540), (9, 3503493420), (10, 3153144078), (12, 2627620065), (14, 2252245770), (15, 2102096052), (18, 1751746710), (20, 1576572039), (21, 1501497180), (27, 1167831140), (28, 1126122885), (30, 1051048026), (35, 900898308), (36, 875873355), (42, 750748590), (45, 700698684), (54, 583915570), (60, 525524013), (63, 500499060), (70, 450449154), (84, 375374295), (90, 350349342), (105, 300299436), (108, 291957785), (126, 250249530), (135, 233566228), (140, 225224577), (180, 175174671), (189, 166833020), (210, 150149718), (252, 125124765), (270, 116783114), (271, 116352180), (315, 100099812), (378, 83416510), (420, 75074859), (540, 58391557), (542, 58176090), (630, 50049906), (756, 41708255), (813, 38784060), (945, 33366604), (1084, 29088045), (1260, 25024953), (1355, 23270436), (1626, 19392030), (1890, 16683302), (1897, 16621740), (2439, 12928020), (2710, 11635218), (3252, 9696015), (3780, 8341651), (3794, 8310870), (4065, 7756812), (4878, 6464010), (5420, 5817609), (5691, 5540580), (7317, 4309340), (7588, 4155435), (8130, 3878406), (9485, 3324348), (9756, 3232005), (11382, 2770290), (12195, 2585604), (14634, 2154670), (16260, 1939203), (17073, 1846860), (18970, 1662174), (22764, 1385145), (24390, 1292802), (28455, 1108116), (29268, 1077335), (30781, 1024380), (34146, 923430), (36585, 861868), (37940, 831087), (48780, 646401), (51219, 615620), (56910, 554058), (61562, 512190), (68292, 461715), (73170, 430934), (85365, 369372), (92343, 341460), (102438, 307810), (113820, 277029), (123124, 256095), (146340, 215467), (153905, 204876), (170730, 184686)]