82778220

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{359}}^1$

素因数の和:445

約数の個数: 192

約数和(自身を含む): 299980800

約数和(自身を除く): 217202580

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 61, 63, 70, 84, 90, 105, 108, 122, 126, 135, 140, 180, 183, 189, 210, 244, 252, 270, 305, 315, 359, 366, 378, 420, 427, 540, 549, 610, 630, 718, 732, 756, 854, 915, 945, 1077, 1098, 1220, 1260, 1281, 1436, 1647, 1708, 1795, 1830, 1890, 2135, 2154, 2196, 2513, 2562, 2745, 3231, 3294, 3590, 3660, 3780, 3843, 4270, 4308, 5026, 5124, 5385, 5490, 6405, 6462, 6588, 7180, 7539, 7686, 8235, 8540, 9693, 10052, 10770, 10980, 11529, 12565, 12810, 12924, 15078, 15372, 16155, 16470, 19215, 19386, 21540, 21899, 22617, 23058, 25130, 25620, 30156, 32310, 32940, 37695, 38430, 38772, 43798, 45234, 46116, 48465, 50260, 57645, 64620, 65697, 67851, 75390, 76860, 87596, 90468, 96930, 109495, 113085, 115290, 131394, 135702, 150780, 153293, 193860, 197091, 218990, 226170, 230580, 262788, 271404, 306586, 328485, 339255, 394182, 437980, 452340, 459879, 591273, 613172, 656970, 678510, 766465, 788364, 919758, 985455, 1182546, 1313940, 1357020, 1379637, 1532930, 1839516, 1970910, 2299395, 2365092, 2759274, 2956365, 3065860, 3941820, 4138911, 4598790, 5518548, 5912730, 6898185, 8277822, 9197580, 11825460, 13796370, 16555644, 20694555, 27592740, 41389110, 82778220]

約数ペア:

[(1, 82778220), (2, 41389110), (3, 27592740), (4, 20694555), (5, 16555644), (6, 13796370), (7, 11825460), (9, 9197580), (10, 8277822), (12, 6898185), (14, 5912730), (15, 5518548), (18, 4598790), (20, 4138911), (21, 3941820), (27, 3065860), (28, 2956365), (30, 2759274), (35, 2365092), (36, 2299395), (42, 1970910), (45, 1839516), (54, 1532930), (60, 1379637), (61, 1357020), (63, 1313940), (70, 1182546), (84, 985455), (90, 919758), (105, 788364), (108, 766465), (122, 678510), (126, 656970), (135, 613172), (140, 591273), (180, 459879), (183, 452340), (189, 437980), (210, 394182), (244, 339255), (252, 328485), (270, 306586), (305, 271404), (315, 262788), (359, 230580), (366, 226170), (378, 218990), (420, 197091), (427, 193860), (540, 153293), (549, 150780), (610, 135702), (630, 131394), (718, 115290), (732, 113085), (756, 109495), (854, 96930), (915, 90468), (945, 87596), (1077, 76860), (1098, 75390), (1220, 67851), (1260, 65697), (1281, 64620), (1436, 57645), (1647, 50260), (1708, 48465), (1795, 46116), (1830, 45234), (1890, 43798), (2135, 38772), (2154, 38430), (2196, 37695), (2513, 32940), (2562, 32310), (2745, 30156), (3231, 25620), (3294, 25130), (3590, 23058), (3660, 22617), (3780, 21899), (3843, 21540), (4270, 19386), (4308, 19215), (5026, 16470), (5124, 16155), (5385, 15372), (5490, 15078), (6405, 12924), (6462, 12810), (6588, 12565), (7180, 11529), (7539, 10980), (7686, 10770), (8235, 10052), (8540, 9693)]