68302920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:156

約数の個数: 256

約数和(自身を含む): 251412480

約数和(自身を除く): 183109560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 43, 56, 60, 61, 62, 70, 84, 86, 93, 105, 120, 122, 124, 129, 140, 155, 168, 172, 183, 186, 210, 215, 217, 244, 248, 258, 280, 301, 305, 310, 344, 366, 372, 420, 427, 430, 434, 465, 488, 516, 602, 610, 620, 645, 651, 732, 744, 840, 854, 860, 868, 903, 915, 930, 1032, 1085, 1204, 1220, 1240, 1281, 1290, 1302, 1333, 1464, 1505, 1708, 1720, 1736, 1806, 1830, 1860, 1891, 2135, 2170, 2408, 2440, 2562, 2580, 2604, 2623, 2666, 3010, 3255, 3416, 3612, 3660, 3720, 3782, 3999, 4270, 4340, 4515, 5124, 5160, 5208, 5246, 5332, 5673, 6020, 6405, 6510, 6665, 7224, 7320, 7564, 7869, 7998, 8540, 8680, 9030, 9331, 9455, 10248, 10492, 10664, 11346, 12040, 12810, 13020, 13115, 13237, 13330, 15128, 15738, 15996, 17080, 18060, 18361, 18662, 18910, 19995, 20984, 22692, 25620, 26040, 26230, 26474, 26660, 27993, 28365, 31476, 31992, 36120, 36722, 37324, 37820, 39345, 39711, 39990, 45384, 46655, 51240, 52460, 52948, 53320, 55083, 55986, 56730, 62952, 66185, 73444, 74648, 75640, 78690, 79422, 79980, 81313, 91805, 93310, 104920, 105896, 110166, 111972, 113460, 132370, 139965, 146888, 157380, 158844, 159960, 162626, 183610, 186620, 198555, 220332, 223944, 226920, 243939, 264740, 275415, 279930, 314760, 317688, 325252, 367220, 373240, 397110, 406565, 440664, 487878, 529480, 550830, 559860, 569191, 650504, 734440, 794220, 813130, 975756, 1101660, 1119720, 1138382, 1219695, 1588440, 1626260, 1707573, 1951512, 2203320, 2276764, 2439390, 2845955, 3252520, 3415146, 4553528, 4878780, 5691910, 6830292, 8537865, 9757560, 11383820, 13660584, 17075730, 22767640, 34151460, 68302920]

約数ペア:

[(1, 68302920), (2, 34151460), (3, 22767640), (4, 17075730), (5, 13660584), (6, 11383820), (7, 9757560), (8, 8537865), (10, 6830292), (12, 5691910), (14, 4878780), (15, 4553528), (20, 3415146), (21, 3252520), (24, 2845955), (28, 2439390), (30, 2276764), (31, 2203320), (35, 1951512), (40, 1707573), (42, 1626260), (43, 1588440), (56, 1219695), (60, 1138382), (61, 1119720), (62, 1101660), (70, 975756), (84, 813130), (86, 794220), (93, 734440), (105, 650504), (120, 569191), (122, 559860), (124, 550830), (129, 529480), (140, 487878), (155, 440664), (168, 406565), (172, 397110), (183, 373240), (186, 367220), (210, 325252), (215, 317688), (217, 314760), (244, 279930), (248, 275415), (258, 264740), (280, 243939), (301, 226920), (305, 223944), (310, 220332), (344, 198555), (366, 186620), (372, 183610), (420, 162626), (427, 159960), (430, 158844), (434, 157380), (465, 146888), (488, 139965), (516, 132370), (602, 113460), (610, 111972), (620, 110166), (645, 105896), (651, 104920), (732, 93310), (744, 91805), (840, 81313), (854, 79980), (860, 79422), (868, 78690), (903, 75640), (915, 74648), (930, 73444), (1032, 66185), (1085, 62952), (1204, 56730), (1220, 55986), (1240, 55083), (1281, 53320), (1290, 52948), (1302, 52460), (1333, 51240), (1464, 46655), (1505, 45384), (1708, 39990), (1720, 39711), (1736, 39345), (1806, 37820), (1830, 37324), (1860, 36722), (1891, 36120), (2135, 31992), (2170, 31476), (2408, 28365), (2440, 27993), (2562, 26660), (2580, 26474), (2604, 26230), (2623, 26040), (2666, 25620), (3010, 22692), (3255, 20984), (3416, 19995), (3612, 18910), (3660, 18662), (3720, 18361), (3782, 18060), (3999, 17080), (4270, 15996), (4340, 15738), (4515, 15128), (5124, 13330), (5160, 13237), (5208, 13115), (5246, 13020), (5332, 12810), (5673, 12040), (6020, 11346), (6405, 10664), (6510, 10492), (6665, 10248), (7224, 9455), (7320, 9331), (7564, 9030), (7869, 8680), (7998, 8540)]