79723980

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{131}}^1$

素因数の和:186

約数の個数: 288

約数和(自身を含む): 303367680

約数和(自身を除く): 223643700

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 23, 27, 28, 30, 35, 36, 42, 45, 46, 49, 54, 60, 63, 69, 70, 84, 90, 92, 98, 105, 108, 115, 126, 131, 135, 138, 140, 147, 161, 180, 189, 196, 207, 210, 230, 245, 252, 262, 270, 276, 294, 315, 322, 345, 378, 393, 414, 420, 441, 460, 483, 490, 524, 540, 588, 621, 630, 644, 655, 690, 735, 756, 786, 805, 828, 882, 917, 945, 966, 980, 1035, 1127, 1179, 1242, 1260, 1310, 1323, 1380, 1449, 1470, 1572, 1610, 1764, 1834, 1890, 1932, 1965, 2070, 2205, 2254, 2358, 2415, 2484, 2620, 2646, 2751, 2898, 2940, 3013, 3105, 3220, 3381, 3537, 3668, 3780, 3930, 4140, 4347, 4410, 4508, 4585, 4716, 4830, 5292, 5502, 5635, 5796, 5895, 6026, 6210, 6419, 6615, 6762, 7074, 7245, 7860, 8253, 8694, 8820, 9039, 9170, 9660, 10143, 11004, 11270, 11790, 12052, 12420, 12838, 13230, 13524, 13755, 14148, 14490, 15065, 16506, 16905, 17388, 17685, 18078, 18340, 19257, 20286, 21091, 21735, 22540, 23580, 24759, 25676, 26460, 27117, 27510, 28980, 30130, 30429, 32095, 33012, 33810, 35370, 36156, 38514, 40572, 41265, 42182, 43470, 45195, 49518, 50715, 54234, 55020, 57771, 60260, 60858, 63273, 64190, 67620, 70740, 77028, 81351, 82530, 84364, 86940, 90390, 96285, 99036, 101430, 105455, 108468, 115542, 121716, 123795, 126546, 128380, 135585, 147637, 152145, 162702, 165060, 173313, 180780, 189819, 192570, 202860, 210910, 231084, 247590, 253092, 271170, 288855, 295274, 304290, 316365, 325404, 346626, 379638, 385140, 406755, 421820, 442911, 495180, 542340, 569457, 577710, 590548, 608580, 632730, 693252, 738185, 759276, 813510, 866565, 885822, 949095, 1138914, 1155420, 1265460, 1328733, 1476370, 1627020, 1733130, 1771644, 1898190, 2214555, 2277828, 2657466, 2847285, 2952740, 3466260, 3796380, 3986199, 4429110, 5314932, 5694570, 6643665, 7972398, 8858220, 11389140, 13287330, 15944796, 19930995, 26574660, 39861990, 79723980]

約数ペア:

[(1, 79723980), (2, 39861990), (3, 26574660), (4, 19930995), (5, 15944796), (6, 13287330), (7, 11389140), (9, 8858220), (10, 7972398), (12, 6643665), (14, 5694570), (15, 5314932), (18, 4429110), (20, 3986199), (21, 3796380), (23, 3466260), (27, 2952740), (28, 2847285), (30, 2657466), (35, 2277828), (36, 2214555), (42, 1898190), (45, 1771644), (46, 1733130), (49, 1627020), (54, 1476370), (60, 1328733), (63, 1265460), (69, 1155420), (70, 1138914), (84, 949095), (90, 885822), (92, 866565), (98, 813510), (105, 759276), (108, 738185), (115, 693252), (126, 632730), (131, 608580), (135, 590548), (138, 577710), (140, 569457), (147, 542340), (161, 495180), (180, 442911), (189, 421820), (196, 406755), (207, 385140), (210, 379638), (230, 346626), (245, 325404), (252, 316365), (262, 304290), (270, 295274), (276, 288855), (294, 271170), (315, 253092), (322, 247590), (345, 231084), (378, 210910), (393, 202860), (414, 192570), (420, 189819), (441, 180780), (460, 173313), (483, 165060), (490, 162702), (524, 152145), (540, 147637), (588, 135585), (621, 128380), (630, 126546), (644, 123795), (655, 121716), (690, 115542), (735, 108468), (756, 105455), (786, 101430), (805, 99036), (828, 96285), (882, 90390), (917, 86940), (945, 84364), (966, 82530), (980, 81351), (1035, 77028), (1127, 70740), (1179, 67620), (1242, 64190), (1260, 63273), (1310, 60858), (1323, 60260), (1380, 57771), (1449, 55020), (1470, 54234), (1572, 50715), (1610, 49518), (1764, 45195), (1834, 43470), (1890, 42182), (1932, 41265), (1965, 40572), (2070, 38514), (2205, 36156), (2254, 35370), (2358, 33810), (2415, 33012), (2484, 32095), (2620, 30429), (2646, 30130), (2751, 28980), (2898, 27510), (2940, 27117), (3013, 26460), (3105, 25676), (3220, 24759), (3381, 23580), (3537, 22540), (3668, 21735), (3780, 21091), (3930, 20286), (4140, 19257), (4347, 18340), (4410, 18078), (4508, 17685), (4585, 17388), (4716, 16905), (4830, 16506), (5292, 15065), (5502, 14490), (5635, 14148), (5796, 13755), (5895, 13524), (6026, 13230), (6210, 12838), (6419, 12420), (6615, 12052), (6762, 11790), (7074, 11270), (7245, 11004), (7860, 10143), (8253, 9660), (8694, 9170), (8820, 9039)]