65281320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1$

素因数の和:109

約数の個数: 288

約数和(自身を含む): 244085400

約数和(自身を除く): 178804080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 29, 30, 36, 37, 39, 40, 45, 52, 58, 60, 65, 72, 74, 78, 87, 90, 104, 111, 116, 117, 120, 130, 145, 148, 156, 169, 174, 180, 185, 195, 222, 232, 234, 260, 261, 290, 296, 312, 333, 338, 348, 360, 370, 377, 390, 435, 444, 468, 481, 507, 520, 522, 555, 580, 585, 666, 676, 696, 740, 754, 780, 845, 870, 888, 936, 962, 1014, 1044, 1073, 1110, 1131, 1160, 1170, 1305, 1332, 1352, 1443, 1480, 1508, 1521, 1560, 1665, 1690, 1740, 1885, 1924, 2028, 2088, 2146, 2220, 2262, 2340, 2405, 2535, 2610, 2664, 2886, 3016, 3042, 3219, 3330, 3380, 3393, 3480, 3770, 3848, 4056, 4292, 4329, 4440, 4524, 4680, 4810, 4901, 5070, 5220, 5365, 5655, 5772, 6084, 6253, 6438, 6660, 6760, 6786, 7215, 7540, 7605, 8584, 8658, 9048, 9620, 9657, 9802, 10140, 10440, 10730, 11310, 11544, 12168, 12506, 12876, 13320, 13572, 13949, 14430, 14703, 15080, 15210, 16095, 16965, 17316, 18759, 19240, 19314, 19604, 20280, 21460, 21645, 22620, 24505, 25012, 25752, 27144, 27898, 28860, 29406, 30420, 31265, 32190, 33930, 34632, 37518, 38628, 39208, 41847, 42920, 43290, 44109, 45240, 48285, 49010, 50024, 55796, 56277, 57720, 58812, 60840, 62530, 64380, 67860, 69745, 73515, 75036, 77256, 83694, 86580, 88218, 93795, 96570, 98020, 111592, 112554, 117624, 125060, 125541, 128760, 135720, 139490, 147030, 150072, 167388, 173160, 176436, 181337, 187590, 193140, 196040, 209235, 220545, 225108, 250120, 251082, 278980, 281385, 294060, 334776, 352872, 362674, 375180, 386280, 418470, 441090, 450216, 502164, 544011, 557960, 562770, 588120, 627705, 725348, 750360, 836940, 882180, 906685, 1004328, 1088022, 1125540, 1255410, 1450696, 1632033, 1673880, 1764360, 1813370, 2176044, 2251080, 2510820, 2720055, 3264066, 3626740, 4352088, 5021640, 5440110, 6528132, 7253480, 8160165, 10880220, 13056264, 16320330, 21760440, 32640660, 65281320]

約数ペア:

[(1, 65281320), (2, 32640660), (3, 21760440), (4, 16320330), (5, 13056264), (6, 10880220), (8, 8160165), (9, 7253480), (10, 6528132), (12, 5440110), (13, 5021640), (15, 4352088), (18, 3626740), (20, 3264066), (24, 2720055), (26, 2510820), (29, 2251080), (30, 2176044), (36, 1813370), (37, 1764360), (39, 1673880), (40, 1632033), (45, 1450696), (52, 1255410), (58, 1125540), (60, 1088022), (65, 1004328), (72, 906685), (74, 882180), (78, 836940), (87, 750360), (90, 725348), (104, 627705), (111, 588120), (116, 562770), (117, 557960), (120, 544011), (130, 502164), (145, 450216), (148, 441090), (156, 418470), (169, 386280), (174, 375180), (180, 362674), (185, 352872), (195, 334776), (222, 294060), (232, 281385), (234, 278980), (260, 251082), (261, 250120), (290, 225108), (296, 220545), (312, 209235), (333, 196040), (338, 193140), (348, 187590), (360, 181337), (370, 176436), (377, 173160), (390, 167388), (435, 150072), (444, 147030), (468, 139490), (481, 135720), (507, 128760), (520, 125541), (522, 125060), (555, 117624), (580, 112554), (585, 111592), (666, 98020), (676, 96570), (696, 93795), (740, 88218), (754, 86580), (780, 83694), (845, 77256), (870, 75036), (888, 73515), (936, 69745), (962, 67860), (1014, 64380), (1044, 62530), (1073, 60840), (1110, 58812), (1131, 57720), (1160, 56277), (1170, 55796), (1305, 50024), (1332, 49010), (1352, 48285), (1443, 45240), (1480, 44109), (1508, 43290), (1521, 42920), (1560, 41847), (1665, 39208), (1690, 38628), (1740, 37518), (1885, 34632), (1924, 33930), (2028, 32190), (2088, 31265), (2146, 30420), (2220, 29406), (2262, 28860), (2340, 27898), (2405, 27144), (2535, 25752), (2610, 25012), (2664, 24505), (2886, 22620), (3016, 21645), (3042, 21460), (3219, 20280), (3330, 19604), (3380, 19314), (3393, 19240), (3480, 18759), (3770, 17316), (3848, 16965), (4056, 16095), (4292, 15210), (4329, 15080), (4440, 14703), (4524, 14430), (4680, 13949), (4810, 13572), (4901, 13320), (5070, 12876), (5220, 12506), (5365, 12168), (5655, 11544), (5772, 11310), (6084, 10730), (6253, 10440), (6438, 10140), (6660, 9802), (6760, 9657), (6786, 9620), (7215, 9048), (7540, 8658), (7605, 8584)]