42647220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1$

素因数の和:231

約数の個数: 288

約数和(自身を含む): 171714816

約数和(自身を除く): 129067596

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 17, 18, 20, 21, 22, 28, 30, 33, 34, 35, 36, 42, 44, 45, 51, 55, 60, 63, 66, 68, 70, 77, 84, 85, 90, 99, 102, 105, 110, 119, 126, 132, 140, 153, 154, 165, 170, 180, 181, 187, 198, 204, 210, 220, 231, 238, 252, 255, 306, 308, 315, 330, 340, 357, 362, 374, 385, 396, 420, 462, 476, 495, 510, 543, 561, 595, 612, 630, 660, 693, 714, 724, 748, 765, 770, 905, 924, 935, 990, 1020, 1071, 1086, 1122, 1155, 1190, 1260, 1267, 1309, 1386, 1428, 1530, 1540, 1629, 1683, 1785, 1810, 1870, 1980, 1991, 2142, 2172, 2244, 2310, 2380, 2534, 2618, 2715, 2772, 2805, 3060, 3077, 3258, 3366, 3465, 3570, 3620, 3740, 3801, 3927, 3982, 4284, 4620, 5068, 5236, 5355, 5430, 5610, 5973, 6154, 6335, 6516, 6545, 6732, 6930, 7140, 7602, 7854, 7964, 8145, 8415, 9231, 9955, 10710, 10860, 11220, 11403, 11781, 11946, 12308, 12670, 13090, 13860, 13937, 15204, 15385, 15708, 16290, 16830, 17919, 18462, 19005, 19635, 19910, 21420, 21539, 22806, 23562, 23892, 25340, 26180, 27693, 27874, 29865, 30770, 32580, 33660, 33847, 35838, 36924, 38010, 39270, 39820, 41811, 43078, 45612, 46155, 47124, 55386, 55748, 57015, 58905, 59730, 61540, 64617, 67694, 69685, 71676, 76020, 78540, 83622, 86156, 89595, 92310, 101541, 107695, 110772, 114030, 117810, 119460, 125433, 129234, 135388, 138465, 139370, 167244, 169235, 179190, 184620, 193851, 203082, 209055, 215390, 228060, 235620, 236929, 250866, 258468, 276930, 278740, 304623, 323085, 338470, 358380, 387702, 406164, 418110, 430780, 473858, 501732, 507705, 553860, 609246, 627165, 646170, 676940, 710787, 775404, 836220, 947716, 969255, 1015410, 1184645, 1218492, 1254330, 1292340, 1421574, 1523115, 1938510, 2030820, 2132361, 2369290, 2508660, 2843148, 3046230, 3553935, 3877020, 4264722, 4738580, 6092460, 7107870, 8529444, 10661805, 14215740, 21323610, 42647220]

約数ペア:

[(1, 42647220), (2, 21323610), (3, 14215740), (4, 10661805), (5, 8529444), (6, 7107870), (7, 6092460), (9, 4738580), (10, 4264722), (11, 3877020), (12, 3553935), (14, 3046230), (15, 2843148), (17, 2508660), (18, 2369290), (20, 2132361), (21, 2030820), (22, 1938510), (28, 1523115), (30, 1421574), (33, 1292340), (34, 1254330), (35, 1218492), (36, 1184645), (42, 1015410), (44, 969255), (45, 947716), (51, 836220), (55, 775404), (60, 710787), (63, 676940), (66, 646170), (68, 627165), (70, 609246), (77, 553860), (84, 507705), (85, 501732), (90, 473858), (99, 430780), (102, 418110), (105, 406164), (110, 387702), (119, 358380), (126, 338470), (132, 323085), (140, 304623), (153, 278740), (154, 276930), (165, 258468), (170, 250866), (180, 236929), (181, 235620), (187, 228060), (198, 215390), (204, 209055), (210, 203082), (220, 193851), (231, 184620), (238, 179190), (252, 169235), (255, 167244), (306, 139370), (308, 138465), (315, 135388), (330, 129234), (340, 125433), (357, 119460), (362, 117810), (374, 114030), (385, 110772), (396, 107695), (420, 101541), (462, 92310), (476, 89595), (495, 86156), (510, 83622), (543, 78540), (561, 76020), (595, 71676), (612, 69685), (630, 67694), (660, 64617), (693, 61540), (714, 59730), (724, 58905), (748, 57015), (765, 55748), (770, 55386), (905, 47124), (924, 46155), (935, 45612), (990, 43078), (1020, 41811), (1071, 39820), (1086, 39270), (1122, 38010), (1155, 36924), (1190, 35838), (1260, 33847), (1267, 33660), (1309, 32580), (1386, 30770), (1428, 29865), (1530, 27874), (1540, 27693), (1629, 26180), (1683, 25340), (1785, 23892), (1810, 23562), (1870, 22806), (1980, 21539), (1991, 21420), (2142, 19910), (2172, 19635), (2244, 19005), (2310, 18462), (2380, 17919), (2534, 16830), (2618, 16290), (2715, 15708), (2772, 15385), (2805, 15204), (3060, 13937), (3077, 13860), (3258, 13090), (3366, 12670), (3465, 12308), (3570, 11946), (3620, 11781), (3740, 11403), (3801, 11220), (3927, 10860), (3982, 10710), (4284, 9955), (4620, 9231), (5068, 8415), (5236, 8145), (5355, 7964), (5430, 7854), (5610, 7602), (5973, 7140), (6154, 6930), (6335, 6732), (6516, 6545)]