1631195820

素因数分解:

$2^2\times 3^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{401}}^1$

素因数の和:465

約数の個数: 216

約数和(自身を含む): 5316974208

約数和(自身を除く): 3685778388

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 81, 90, 93, 108, 124, 135, 155, 162, 180, 186, 243, 270, 279, 310, 324, 372, 401, 405, 465, 486, 540, 558, 620, 729, 802, 810, 837, 930, 972, 1116, 1203, 1215, 1395, 1458, 1604, 1620, 1674, 1860, 2005, 2187, 2406, 2430, 2511, 2790, 2916, 3348, 3609, 3645, 4010, 4185, 4374, 4812, 4860, 5022, 5580, 6015, 6561, 7218, 7290, 7533, 8020, 8370, 8748, 10044, 10827, 10935, 12030, 12431, 12555, 13122, 14436, 14580, 15066, 16740, 18045, 21654, 21870, 22599, 24060, 24862, 25110, 26244, 30132, 32481, 32805, 36090, 37293, 37665, 43308, 43740, 45198, 49724, 50220, 54135, 62155, 64962, 65610, 67797, 72180, 74586, 75330, 90396, 97443, 108270, 111879, 112995, 124310, 129924, 131220, 135594, 149172, 150660, 162405, 186465, 194886, 203391, 216540, 223758, 225990, 248620, 271188, 292329, 324810, 335637, 338985, 372930, 389772, 406782, 447516, 451980, 487215, 559395, 584658, 649620, 671274, 677970, 745860, 813564, 876987, 974430, 1006911, 1016955, 1118790, 1169316, 1342548, 1355940, 1461645, 1678185, 1753974, 1948860, 2013822, 2033910, 2237580, 2630961, 2923290, 3020733, 3356370, 3507948, 4027644, 4067820, 4384935, 5034555, 5261922, 5846580, 6041466, 6712740, 8769870, 9062199, 10069110, 10523844, 12082932, 13154805, 15103665, 17539740, 18124398, 20138220, 26309610, 27186597, 30207330, 36248796, 45310995, 52619220, 54373194, 60414660, 81559791, 90621990, 108746388, 135932985, 163119582, 181243980, 271865970, 326239164, 407798955, 543731940, 815597910, 1631195820]

約数ペア:

[(1, 1631195820), (2, 815597910), (3, 543731940), (4, 407798955), (5, 326239164), (6, 271865970), (9, 181243980), (10, 163119582), (12, 135932985), (15, 108746388), (18, 90621990), (20, 81559791), (27, 60414660), (30, 54373194), (31, 52619220), (36, 45310995), (45, 36248796), (54, 30207330), (60, 27186597), (62, 26309610), (81, 20138220), (90, 18124398), (93, 17539740), (108, 15103665), (124, 13154805), (135, 12082932), (155, 10523844), (162, 10069110), (180, 9062199), (186, 8769870), (243, 6712740), (270, 6041466), (279, 5846580), (310, 5261922), (324, 5034555), (372, 4384935), (401, 4067820), (405, 4027644), (465, 3507948), (486, 3356370), (540, 3020733), (558, 2923290), (620, 2630961), (729, 2237580), (802, 2033910), (810, 2013822), (837, 1948860), (930, 1753974), (972, 1678185), (1116, 1461645), (1203, 1355940), (1215, 1342548), (1395, 1169316), (1458, 1118790), (1604, 1016955), (1620, 1006911), (1674, 974430), (1860, 876987), (2005, 813564), (2187, 745860), (2406, 677970), (2430, 671274), (2511, 649620), (2790, 584658), (2916, 559395), (3348, 487215), (3609, 451980), (3645, 447516), (4010, 406782), (4185, 389772), (4374, 372930), (4812, 338985), (4860, 335637), (5022, 324810), (5580, 292329), (6015, 271188), (6561, 248620), (7218, 225990), (7290, 223758), (7533, 216540), (8020, 203391), (8370, 194886), (8748, 186465), (10044, 162405), (10827, 150660), (10935, 149172), (12030, 135594), (12431, 131220), (12555, 129924), (13122, 124310), (14436, 112995), (14580, 111879), (15066, 108270), (16740, 97443), (18045, 90396), (21654, 75330), (21870, 74586), (22599, 72180), (24060, 67797), (24862, 65610), (25110, 64962), (26244, 62155), (30132, 54135), (32481, 50220), (32805, 49724), (36090, 45198), (37293, 43740), (37665, 43308)]