66986920

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1$

素因数の和:288

約数の個数: 192

約数和(自身を含む): 206841600

約数和(自身を除く): 139854680

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 20, 22, 26, 28, 35, 40, 44, 49, 52, 55, 56, 65, 70, 77, 88, 91, 98, 104, 110, 130, 140, 143, 154, 182, 196, 220, 239, 245, 260, 280, 286, 308, 364, 385, 392, 440, 455, 478, 490, 520, 539, 572, 616, 637, 715, 728, 770, 910, 956, 980, 1001, 1078, 1144, 1195, 1274, 1430, 1540, 1673, 1820, 1912, 1960, 2002, 2156, 2390, 2548, 2629, 2695, 2860, 3080, 3107, 3185, 3346, 3640, 4004, 4312, 4780, 5005, 5096, 5258, 5390, 5720, 6214, 6370, 6692, 7007, 8008, 8365, 9560, 10010, 10516, 10780, 11711, 12428, 12740, 13145, 13384, 14014, 15535, 16730, 18403, 20020, 21032, 21560, 21749, 23422, 24856, 25480, 26290, 28028, 31070, 33460, 34177, 35035, 36806, 40040, 43498, 46844, 52580, 56056, 58555, 62140, 66920, 68354, 70070, 73612, 86996, 92015, 93688, 105160, 108745, 117110, 124280, 128821, 136708, 140140, 147224, 152243, 170885, 173992, 184030, 217490, 234220, 239239, 257642, 273416, 280280, 304486, 341770, 368060, 434980, 468440, 478478, 515284, 608972, 644105, 683540, 736120, 761215, 869960, 956956, 1030568, 1196195, 1217944, 1288210, 1367080, 1522430, 1674673, 1913912, 2392390, 2576420, 3044860, 3349346, 4784780, 5152840, 6089720, 6698692, 8373365, 9569560, 13397384, 16746730, 33493460, 66986920]

約数ペア:

[(1, 66986920), (2, 33493460), (4, 16746730), (5, 13397384), (7, 9569560), (8, 8373365), (10, 6698692), (11, 6089720), (13, 5152840), (14, 4784780), (20, 3349346), (22, 3044860), (26, 2576420), (28, 2392390), (35, 1913912), (40, 1674673), (44, 1522430), (49, 1367080), (52, 1288210), (55, 1217944), (56, 1196195), (65, 1030568), (70, 956956), (77, 869960), (88, 761215), (91, 736120), (98, 683540), (104, 644105), (110, 608972), (130, 515284), (140, 478478), (143, 468440), (154, 434980), (182, 368060), (196, 341770), (220, 304486), (239, 280280), (245, 273416), (260, 257642), (280, 239239), (286, 234220), (308, 217490), (364, 184030), (385, 173992), (392, 170885), (440, 152243), (455, 147224), (478, 140140), (490, 136708), (520, 128821), (539, 124280), (572, 117110), (616, 108745), (637, 105160), (715, 93688), (728, 92015), (770, 86996), (910, 73612), (956, 70070), (980, 68354), (1001, 66920), (1078, 62140), (1144, 58555), (1195, 56056), (1274, 52580), (1430, 46844), (1540, 43498), (1673, 40040), (1820, 36806), (1912, 35035), (1960, 34177), (2002, 33460), (2156, 31070), (2390, 28028), (2548, 26290), (2629, 25480), (2695, 24856), (2860, 23422), (3080, 21749), (3107, 21560), (3185, 21032), (3346, 20020), (3640, 18403), (4004, 16730), (4312, 15535), (4780, 14014), (5005, 13384), (5096, 13145), (5258, 12740), (5390, 12428), (5720, 11711), (6214, 10780), (6370, 10516), (6692, 10010), (7007, 9560), (8008, 8365)]