79877700

素因数分解:

$2^2\times 3^2\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{409}}^1$

素因数の和:467

約数の個数: 216

約数和(自身を含む): 296092160

約数和(自身を除く): 216214460

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 28, 30, 31, 35, 36, 42, 45, 50, 60, 62, 63, 70, 75, 84, 90, 93, 100, 105, 124, 126, 140, 150, 155, 175, 180, 186, 210, 217, 225, 252, 279, 300, 310, 315, 350, 372, 409, 420, 434, 450, 465, 525, 558, 620, 630, 651, 700, 775, 818, 868, 900, 930, 1050, 1085, 1116, 1227, 1260, 1302, 1395, 1550, 1575, 1636, 1860, 1953, 2045, 2100, 2170, 2325, 2454, 2604, 2790, 2863, 3100, 3150, 3255, 3681, 3906, 4090, 4340, 4650, 4908, 5425, 5580, 5726, 6135, 6300, 6510, 6975, 7362, 7812, 8180, 8589, 9300, 9765, 10225, 10850, 11452, 12270, 12679, 13020, 13950, 14315, 14724, 16275, 17178, 18405, 19530, 20450, 21700, 24540, 25358, 25767, 27900, 28630, 30675, 32550, 34356, 36810, 38037, 39060, 40900, 42945, 48825, 50716, 51534, 57260, 61350, 63395, 65100, 71575, 73620, 76074, 85890, 88753, 92025, 97650, 103068, 114111, 122700, 126790, 128835, 143150, 152148, 171780, 177506, 184050, 190185, 195300, 214725, 228222, 253580, 257670, 266259, 286300, 316975, 355012, 368100, 380370, 429450, 443765, 456444, 515340, 532518, 570555, 633950, 644175, 760740, 798777, 858900, 887530, 950925, 1065036, 1141110, 1267900, 1288350, 1331295, 1597554, 1775060, 1901850, 2218825, 2282220, 2576700, 2662590, 2852775, 3195108, 3803700, 3993885, 4437650, 5325180, 5705550, 6656475, 7987770, 8875300, 11411100, 13312950, 15975540, 19969425, 26625900, 39938850, 79877700]

約数ペア:

[(1, 79877700), (2, 39938850), (3, 26625900), (4, 19969425), (5, 15975540), (6, 13312950), (7, 11411100), (9, 8875300), (10, 7987770), (12, 6656475), (14, 5705550), (15, 5325180), (18, 4437650), (20, 3993885), (21, 3803700), (25, 3195108), (28, 2852775), (30, 2662590), (31, 2576700), (35, 2282220), (36, 2218825), (42, 1901850), (45, 1775060), (50, 1597554), (60, 1331295), (62, 1288350), (63, 1267900), (70, 1141110), (75, 1065036), (84, 950925), (90, 887530), (93, 858900), (100, 798777), (105, 760740), (124, 644175), (126, 633950), (140, 570555), (150, 532518), (155, 515340), (175, 456444), (180, 443765), (186, 429450), (210, 380370), (217, 368100), (225, 355012), (252, 316975), (279, 286300), (300, 266259), (310, 257670), (315, 253580), (350, 228222), (372, 214725), (409, 195300), (420, 190185), (434, 184050), (450, 177506), (465, 171780), (525, 152148), (558, 143150), (620, 128835), (630, 126790), (651, 122700), (700, 114111), (775, 103068), (818, 97650), (868, 92025), (900, 88753), (930, 85890), (1050, 76074), (1085, 73620), (1116, 71575), (1227, 65100), (1260, 63395), (1302, 61350), (1395, 57260), (1550, 51534), (1575, 50716), (1636, 48825), (1860, 42945), (1953, 40900), (2045, 39060), (2100, 38037), (2170, 36810), (2325, 34356), (2454, 32550), (2604, 30675), (2790, 28630), (2863, 27900), (3100, 25767), (3150, 25358), (3255, 24540), (3681, 21700), (3906, 20450), (4090, 19530), (4340, 18405), (4650, 17178), (4908, 16275), (5425, 14724), (5580, 14315), (5726, 13950), (6135, 13020), (6300, 12679), (6510, 12270), (6975, 11452), (7362, 10850), (7812, 10225), (8180, 9765), (8589, 9300)]