161831880

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{431}}^1$

素因数の和:604

約数の個数: 192

約数和(自身を含む): 606528000

約数和(自身を除く): 444696120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 149, 168, 180, 210, 252, 280, 298, 315, 360, 420, 431, 447, 504, 596, 630, 745, 840, 862, 894, 1043, 1192, 1260, 1293, 1341, 1490, 1724, 1788, 2086, 2155, 2235, 2520, 2586, 2682, 2980, 3017, 3129, 3448, 3576, 3879, 4172, 4310, 4470, 5172, 5215, 5364, 5960, 6034, 6258, 6465, 6705, 7758, 8344, 8620, 8940, 9051, 9387, 10344, 10430, 10728, 12068, 12516, 12930, 13410, 15085, 15516, 15645, 17240, 17880, 18102, 18774, 19395, 20860, 24136, 25032, 25860, 26820, 27153, 30170, 31032, 31290, 36204, 37548, 38790, 41720, 45255, 46935, 51720, 53640, 54306, 60340, 62580, 64219, 72408, 75096, 77580, 90510, 93870, 108612, 120680, 125160, 128438, 135765, 155160, 181020, 187740, 192657, 217224, 256876, 271530, 321095, 362040, 375480, 385314, 449533, 513752, 543060, 577971, 642190, 770628, 899066, 963285, 1086120, 1155942, 1284380, 1348599, 1541256, 1798132, 1926570, 2247665, 2311884, 2568760, 2697198, 2889855, 3596264, 3853140, 4045797, 4495330, 4623768, 5394396, 5779710, 6742995, 7706280, 8091594, 8990660, 10788792, 11559420, 13485990, 16183188, 17981320, 20228985, 23118840, 26971980, 32366376, 40457970, 53943960, 80915940, 161831880]

約数ペア:

[(1, 161831880), (2, 80915940), (3, 53943960), (4, 40457970), (5, 32366376), (6, 26971980), (7, 23118840), (8, 20228985), (9, 17981320), (10, 16183188), (12, 13485990), (14, 11559420), (15, 10788792), (18, 8990660), (20, 8091594), (21, 7706280), (24, 6742995), (28, 5779710), (30, 5394396), (35, 4623768), (36, 4495330), (40, 4045797), (42, 3853140), (45, 3596264), (56, 2889855), (60, 2697198), (63, 2568760), (70, 2311884), (72, 2247665), (84, 1926570), (90, 1798132), (105, 1541256), (120, 1348599), (126, 1284380), (140, 1155942), (149, 1086120), (168, 963285), (180, 899066), (210, 770628), (252, 642190), (280, 577971), (298, 543060), (315, 513752), (360, 449533), (420, 385314), (431, 375480), (447, 362040), (504, 321095), (596, 271530), (630, 256876), (745, 217224), (840, 192657), (862, 187740), (894, 181020), (1043, 155160), (1192, 135765), (1260, 128438), (1293, 125160), (1341, 120680), (1490, 108612), (1724, 93870), (1788, 90510), (2086, 77580), (2155, 75096), (2235, 72408), (2520, 64219), (2586, 62580), (2682, 60340), (2980, 54306), (3017, 53640), (3129, 51720), (3448, 46935), (3576, 45255), (3879, 41720), (4172, 38790), (4310, 37548), (4470, 36204), (5172, 31290), (5215, 31032), (5364, 30170), (5960, 27153), (6034, 26820), (6258, 25860), (6465, 25032), (6705, 24136), (7758, 20860), (8344, 19395), (8620, 18774), (8940, 18102), (9051, 17880), (9387, 17240), (10344, 15645), (10430, 15516), (10728, 15085), (12068, 13410), (12516, 12930)]