17191980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:141

約数の個数: 192

約数和(自身を含む): 60211200

約数和(自身を除く): 43019220

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, 79, 90, 93, 108, 117, 124, 130, 135, 155, 156, 158, 180, 186, 195, 234, 237, 260, 270, 279, 310, 316, 351, 372, 390, 395, 403, 465, 468, 474, 540, 558, 585, 620, 702, 711, 780, 790, 806, 837, 930, 948, 1027, 1116, 1170, 1185, 1209, 1395, 1404, 1422, 1580, 1612, 1674, 1755, 1860, 2015, 2054, 2133, 2340, 2370, 2418, 2449, 2790, 2844, 3081, 3348, 3510, 3555, 3627, 4030, 4108, 4185, 4266, 4740, 4836, 4898, 5135, 5580, 6045, 6162, 7020, 7110, 7254, 7347, 8060, 8370, 8532, 9243, 9796, 10270, 10665, 10881, 12090, 12245, 12324, 14220, 14508, 14694, 15405, 16740, 18135, 18486, 20540, 21330, 21762, 22041, 24180, 24490, 27729, 29388, 30810, 31837, 36270, 36735, 36972, 42660, 43524, 44082, 46215, 48980, 54405, 55458, 61620, 63674, 66123, 72540, 73470, 88164, 92430, 95511, 108810, 110205, 110916, 127348, 132246, 138645, 146940, 159185, 184860, 191022, 217620, 220410, 264492, 277290, 286533, 318370, 330615, 382044, 440820, 477555, 554580, 573066, 636740, 661230, 859599, 955110, 1146132, 1322460, 1432665, 1719198, 1910220, 2865330, 3438396, 4297995, 5730660, 8595990, 17191980]

約数ペア:

[(1, 17191980), (2, 8595990), (3, 5730660), (4, 4297995), (5, 3438396), (6, 2865330), (9, 1910220), (10, 1719198), (12, 1432665), (13, 1322460), (15, 1146132), (18, 955110), (20, 859599), (26, 661230), (27, 636740), (30, 573066), (31, 554580), (36, 477555), (39, 440820), (45, 382044), (52, 330615), (54, 318370), (60, 286533), (62, 277290), (65, 264492), (78, 220410), (79, 217620), (90, 191022), (93, 184860), (108, 159185), (117, 146940), (124, 138645), (130, 132246), (135, 127348), (155, 110916), (156, 110205), (158, 108810), (180, 95511), (186, 92430), (195, 88164), (234, 73470), (237, 72540), (260, 66123), (270, 63674), (279, 61620), (310, 55458), (316, 54405), (351, 48980), (372, 46215), (390, 44082), (395, 43524), (403, 42660), (465, 36972), (468, 36735), (474, 36270), (540, 31837), (558, 30810), (585, 29388), (620, 27729), (702, 24490), (711, 24180), (780, 22041), (790, 21762), (806, 21330), (837, 20540), (930, 18486), (948, 18135), (1027, 16740), (1116, 15405), (1170, 14694), (1185, 14508), (1209, 14220), (1395, 12324), (1404, 12245), (1422, 12090), (1580, 10881), (1612, 10665), (1674, 10270), (1755, 9796), (1860, 9243), (2015, 8532), (2054, 8370), (2133, 8060), (2340, 7347), (2370, 7254), (2418, 7110), (2449, 7020), (2790, 6162), (2844, 6045), (3081, 5580), (3348, 5135), (3510, 4898), (3555, 4836), (3627, 4740), (4030, 4266), (4108, 4185)]