261796860

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{401}}^1$

素因数の和:466

約数の個数: 240

約数和(自身を含む): 915247872

約数和(自身を除く): 653451012

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 31, 36, 39, 45, 52, 54, 60, 62, 65, 78, 81, 90, 93, 108, 117, 124, 130, 135, 155, 156, 162, 180, 186, 195, 234, 260, 270, 279, 310, 324, 351, 372, 390, 401, 403, 405, 465, 468, 540, 558, 585, 620, 702, 780, 802, 806, 810, 837, 930, 1053, 1116, 1170, 1203, 1209, 1395, 1404, 1604, 1612, 1620, 1674, 1755, 1860, 2005, 2015, 2106, 2340, 2406, 2418, 2511, 2790, 3348, 3510, 3609, 3627, 4010, 4030, 4185, 4212, 4812, 4836, 5022, 5213, 5265, 5580, 6015, 6045, 7020, 7218, 7254, 8020, 8060, 8370, 10044, 10426, 10530, 10827, 10881, 12030, 12090, 12431, 12555, 14436, 14508, 15639, 16740, 18045, 18135, 20852, 21060, 21654, 21762, 24060, 24180, 24862, 25110, 26065, 31278, 32481, 32643, 36090, 36270, 37293, 43308, 43524, 46917, 49724, 50220, 52130, 54135, 54405, 62155, 62556, 64962, 65286, 72180, 72540, 74586, 78195, 93834, 104260, 108270, 108810, 111879, 124310, 129924, 130572, 140751, 149172, 156390, 161603, 162405, 163215, 186465, 187668, 216540, 217620, 223758, 234585, 248620, 281502, 312780, 323206, 324810, 326430, 335637, 372930, 422253, 447516, 469170, 484809, 559395, 563004, 646412, 649620, 652860, 671274, 703755, 745860, 808015, 844506, 938340, 969618, 1006911, 1118790, 1342548, 1407510, 1454427, 1616030, 1678185, 1689012, 1939236, 2013822, 2111265, 2237580, 2424045, 2815020, 2908854, 3232060, 3356370, 4027644, 4222530, 4363281, 4848090, 5034555, 5817708, 6712740, 7272135, 8445060, 8726562, 9696180, 10069110, 13089843, 14544270, 17453124, 20138220, 21816405, 26179686, 29088540, 43632810, 52359372, 65449215, 87265620, 130898430, 261796860]

約数ペア:

[(1, 261796860), (2, 130898430), (3, 87265620), (4, 65449215), (5, 52359372), (6, 43632810), (9, 29088540), (10, 26179686), (12, 21816405), (13, 20138220), (15, 17453124), (18, 14544270), (20, 13089843), (26, 10069110), (27, 9696180), (30, 8726562), (31, 8445060), (36, 7272135), (39, 6712740), (45, 5817708), (52, 5034555), (54, 4848090), (60, 4363281), (62, 4222530), (65, 4027644), (78, 3356370), (81, 3232060), (90, 2908854), (93, 2815020), (108, 2424045), (117, 2237580), (124, 2111265), (130, 2013822), (135, 1939236), (155, 1689012), (156, 1678185), (162, 1616030), (180, 1454427), (186, 1407510), (195, 1342548), (234, 1118790), (260, 1006911), (270, 969618), (279, 938340), (310, 844506), (324, 808015), (351, 745860), (372, 703755), (390, 671274), (401, 652860), (403, 649620), (405, 646412), (465, 563004), (468, 559395), (540, 484809), (558, 469170), (585, 447516), (620, 422253), (702, 372930), (780, 335637), (802, 326430), (806, 324810), (810, 323206), (837, 312780), (930, 281502), (1053, 248620), (1116, 234585), (1170, 223758), (1203, 217620), (1209, 216540), (1395, 187668), (1404, 186465), (1604, 163215), (1612, 162405), (1620, 161603), (1674, 156390), (1755, 149172), (1860, 140751), (2005, 130572), (2015, 129924), (2106, 124310), (2340, 111879), (2406, 108810), (2418, 108270), (2511, 104260), (2790, 93834), (3348, 78195), (3510, 74586), (3609, 72540), (3627, 72180), (4010, 65286), (4030, 64962), (4185, 62556), (4212, 62155), (4812, 54405), (4836, 54135), (5022, 52130), (5213, 50220), (5265, 49724), (5580, 46917), (6015, 43524), (6045, 43308), (7020, 37293), (7218, 36270), (7254, 36090), (8020, 32643), (8060, 32481), (8370, 31278), (10044, 26065), (10426, 25110), (10530, 24862), (10827, 24180), (10881, 24060), (12030, 21762), (12090, 21654), (12431, 21060), (12555, 20852), (14436, 18135), (14508, 18045), (15639, 16740)]