64982820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{31}}^2$

素因数の和:111

約数の個数: 216

約数和(自身を含む): 228215232

約数和(自身を除く): 163232412

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 31, 35, 42, 46, 49, 60, 62, 69, 70, 84, 92, 93, 98, 105, 115, 124, 138, 140, 147, 155, 161, 186, 196, 210, 217, 230, 245, 276, 294, 310, 322, 345, 372, 420, 434, 460, 465, 483, 490, 588, 620, 644, 651, 690, 713, 735, 805, 868, 930, 961, 966, 980, 1085, 1127, 1302, 1380, 1426, 1470, 1519, 1610, 1860, 1922, 1932, 2139, 2170, 2254, 2415, 2604, 2852, 2883, 2940, 3038, 3220, 3255, 3381, 3565, 3844, 4278, 4340, 4508, 4557, 4805, 4830, 4991, 5635, 5766, 6076, 6510, 6727, 6762, 7130, 7595, 8556, 9114, 9610, 9660, 9982, 10695, 11270, 11532, 13020, 13454, 13524, 14260, 14415, 14973, 15190, 16905, 18228, 19220, 19964, 20181, 21390, 22103, 22540, 22785, 24955, 26908, 28830, 29946, 30380, 33635, 33810, 34937, 40362, 42780, 44206, 45570, 47089, 49910, 57660, 59892, 66309, 67270, 67620, 69874, 74865, 80724, 88412, 91140, 94178, 99820, 100905, 104811, 110515, 132618, 134540, 139748, 141267, 149730, 154721, 174685, 188356, 201810, 209622, 221030, 235445, 265236, 282534, 299460, 309442, 331545, 349370, 403620, 419244, 442060, 464163, 470890, 524055, 565068, 618884, 663090, 698740, 706335, 773605, 928326, 941780, 1048110, 1083047, 1326180, 1412670, 1547210, 1856652, 2096220, 2166094, 2320815, 2825340, 3094420, 3249141, 4332188, 4641630, 5415235, 6498282, 9283260, 10830470, 12996564, 16245705, 21660940, 32491410, 64982820]

約数ペア:

[(1, 64982820), (2, 32491410), (3, 21660940), (4, 16245705), (5, 12996564), (6, 10830470), (7, 9283260), (10, 6498282), (12, 5415235), (14, 4641630), (15, 4332188), (20, 3249141), (21, 3094420), (23, 2825340), (28, 2320815), (30, 2166094), (31, 2096220), (35, 1856652), (42, 1547210), (46, 1412670), (49, 1326180), (60, 1083047), (62, 1048110), (69, 941780), (70, 928326), (84, 773605), (92, 706335), (93, 698740), (98, 663090), (105, 618884), (115, 565068), (124, 524055), (138, 470890), (140, 464163), (147, 442060), (155, 419244), (161, 403620), (186, 349370), (196, 331545), (210, 309442), (217, 299460), (230, 282534), (245, 265236), (276, 235445), (294, 221030), (310, 209622), (322, 201810), (345, 188356), (372, 174685), (420, 154721), (434, 149730), (460, 141267), (465, 139748), (483, 134540), (490, 132618), (588, 110515), (620, 104811), (644, 100905), (651, 99820), (690, 94178), (713, 91140), (735, 88412), (805, 80724), (868, 74865), (930, 69874), (961, 67620), (966, 67270), (980, 66309), (1085, 59892), (1127, 57660), (1302, 49910), (1380, 47089), (1426, 45570), (1470, 44206), (1519, 42780), (1610, 40362), (1860, 34937), (1922, 33810), (1932, 33635), (2139, 30380), (2170, 29946), (2254, 28830), (2415, 26908), (2604, 24955), (2852, 22785), (2883, 22540), (2940, 22103), (3038, 21390), (3220, 20181), (3255, 19964), (3381, 19220), (3565, 18228), (3844, 16905), (4278, 15190), (4340, 14973), (4508, 14415), (4557, 14260), (4805, 13524), (4830, 13454), (4991, 13020), (5635, 11532), (5766, 11270), (6076, 10695), (6510, 9982), (6727, 9660), (6762, 9610), (7130, 9114), (7595, 8556)]