25472920720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{233}}^1\times {\mathrm{3391}}^1$

素因数の和:3681

約数の個数: 160

約数和(自身を含む): 66139766784

約数和(自身を除く): 40666846064

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 62, 65, 80, 104, 124, 130, 155, 208, 233, 248, 260, 310, 403, 466, 496, 520, 620, 806, 932, 1040, 1165, 1240, 1612, 1864, 2015, 2330, 2480, 3029, 3224, 3391, 3728, 4030, 4660, 6058, 6448, 6782, 7223, 8060, 9320, 12116, 13564, 14446, 15145, 16120, 16955, 18640, 24232, 27128, 28892, 30290, 32240, 33910, 36115, 44083, 48464, 54256, 57784, 60580, 67820, 72230, 88166, 93899, 105121, 115568, 121160, 135640, 144460, 176332, 187798, 210242, 220415, 242320, 271280, 288920, 352664, 375596, 420484, 440830, 469495, 525605, 577840, 705328, 751192, 790103, 840968, 881660, 938990, 1051210, 1366573, 1502384, 1580206, 1681936, 1763320, 1877980, 2102420, 2733146, 3160412, 3526640, 3755960, 3950515, 4204840, 5466292, 6320824, 6832865, 7511920, 7901030, 8409680, 10271339, 10932584, 12641648, 13665730, 15802060, 20542678, 21865168, 24493193, 27331460, 31604120, 41085356, 48986386, 51356695, 54662920, 63208240, 82170712, 97972772, 102713390, 109325840, 122465965, 164341424, 195945544, 205426780, 244931930, 318411509, 391891088, 410853560, 489863860, 636823018, 821707120, 979727720, 1273646036, 1592057545, 1959455440, 2547292072, 3184115090, 5094584144, 6368230180, 12736460360, 25472920720]

約数ペア:

[(1, 25472920720), (2, 12736460360), (4, 6368230180), (5, 5094584144), (8, 3184115090), (10, 2547292072), (13, 1959455440), (16, 1592057545), (20, 1273646036), (26, 979727720), (31, 821707120), (40, 636823018), (52, 489863860), (62, 410853560), (65, 391891088), (80, 318411509), (104, 244931930), (124, 205426780), (130, 195945544), (155, 164341424), (208, 122465965), (233, 109325840), (248, 102713390), (260, 97972772), (310, 82170712), (403, 63208240), (466, 54662920), (496, 51356695), (520, 48986386), (620, 41085356), (806, 31604120), (932, 27331460), (1040, 24493193), (1165, 21865168), (1240, 20542678), (1612, 15802060), (1864, 13665730), (2015, 12641648), (2330, 10932584), (2480, 10271339), (3029, 8409680), (3224, 7901030), (3391, 7511920), (3728, 6832865), (4030, 6320824), (4660, 5466292), (6058, 4204840), (6448, 3950515), (6782, 3755960), (7223, 3526640), (8060, 3160412), (9320, 2733146), (12116, 2102420), (13564, 1877980), (14446, 1763320), (15145, 1681936), (16120, 1580206), (16955, 1502384), (18640, 1366573), (24232, 1051210), (27128, 938990), (28892, 881660), (30290, 840968), (32240, 790103), (33910, 751192), (36115, 705328), (44083, 577840), (48464, 525605), (54256, 469495), (57784, 440830), (60580, 420484), (67820, 375596), (72230, 352664), (88166, 288920), (93899, 271280), (105121, 242320), (115568, 220415), (121160, 210242), (135640, 187798), (144460, 176332)]