961461280

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^2\times {\mathrm{37}}^1$

素因数の和:140

約数の個数: 216

約数和(自身を含む): 2610211716

約数和(自身を除く): 1648750436

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 37, 40, 52, 62, 65, 74, 80, 104, 124, 130, 148, 155, 160, 169, 185, 208, 248, 260, 296, 310, 338, 370, 403, 416, 481, 496, 520, 592, 620, 676, 740, 806, 845, 961, 962, 992, 1040, 1147, 1184, 1240, 1352, 1480, 1612, 1690, 1922, 1924, 2015, 2080, 2294, 2405, 2480, 2704, 2960, 3224, 3380, 3844, 3848, 4030, 4588, 4805, 4810, 4960, 5239, 5408, 5735, 5920, 6253, 6448, 6760, 7688, 7696, 8060, 9176, 9610, 9620, 10478, 11470, 12493, 12506, 12896, 13520, 14911, 15376, 15392, 16120, 18352, 19220, 19240, 20956, 22940, 24986, 25012, 26195, 27040, 29822, 30752, 31265, 32240, 35557, 36704, 38440, 38480, 41912, 45880, 49972, 50024, 52390, 59644, 62465, 62530, 64480, 71114, 74555, 76880, 76960, 83824, 91760, 99944, 100048, 104780, 119288, 124930, 125060, 142228, 149110, 153760, 162409, 167648, 177785, 183520, 193843, 199888, 200096, 209560, 238576, 249860, 250120, 284456, 298220, 324818, 355570, 387686, 399776, 419120, 462241, 477152, 499720, 500240, 568912, 596440, 649636, 711140, 775372, 812045, 838240, 924482, 969215, 999440, 1000480, 1137824, 1192880, 1299272, 1422280, 1550744, 1624090, 1848964, 1938430, 1998880, 2311205, 2385760, 2598544, 2844560, 3101488, 3248180, 3697928, 3876860, 4622410, 5197088, 5689120, 6009133, 6202976, 6496360, 7395856, 7753720, 9244820, 12018266, 12992720, 14791712, 15507440, 18489640, 24036532, 25985440, 30045665, 31014880, 36979280, 48073064, 60091330, 73958560, 96146128, 120182660, 192292256, 240365320, 480730640, 961461280]

約数ペア:

[(1, 961461280), (2, 480730640), (4, 240365320), (5, 192292256), (8, 120182660), (10, 96146128), (13, 73958560), (16, 60091330), (20, 48073064), (26, 36979280), (31, 31014880), (32, 30045665), (37, 25985440), (40, 24036532), (52, 18489640), (62, 15507440), (65, 14791712), (74, 12992720), (80, 12018266), (104, 9244820), (124, 7753720), (130, 7395856), (148, 6496360), (155, 6202976), (160, 6009133), (169, 5689120), (185, 5197088), (208, 4622410), (248, 3876860), (260, 3697928), (296, 3248180), (310, 3101488), (338, 2844560), (370, 2598544), (403, 2385760), (416, 2311205), (481, 1998880), (496, 1938430), (520, 1848964), (592, 1624090), (620, 1550744), (676, 1422280), (740, 1299272), (806, 1192880), (845, 1137824), (961, 1000480), (962, 999440), (992, 969215), (1040, 924482), (1147, 838240), (1184, 812045), (1240, 775372), (1352, 711140), (1480, 649636), (1612, 596440), (1690, 568912), (1922, 500240), (1924, 499720), (2015, 477152), (2080, 462241), (2294, 419120), (2405, 399776), (2480, 387686), (2704, 355570), (2960, 324818), (3224, 298220), (3380, 284456), (3844, 250120), (3848, 249860), (4030, 238576), (4588, 209560), (4805, 200096), (4810, 199888), (4960, 193843), (5239, 183520), (5408, 177785), (5735, 167648), (5920, 162409), (6253, 153760), (6448, 149110), (6760, 142228), (7688, 125060), (7696, 124930), (8060, 119288), (9176, 104780), (9610, 100048), (9620, 99944), (10478, 91760), (11470, 83824), (12493, 76960), (12506, 76880), (12896, 74555), (13520, 71114), (14911, 64480), (15376, 62530), (15392, 62465), (16120, 59644), (18352, 52390), (19220, 50024), (19240, 49972), (20956, 45880), (22940, 41912), (24986, 38480), (25012, 38440), (26195, 36704), (27040, 35557), (29822, 32240), (30752, 31265)]