64380420

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1019}}^1$

素因数の和:1056

約数の個数: 144

約数和(自身を含む): 218312640

約数和(自身を除く): 153932220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 81, 90, 108, 117, 130, 135, 156, 162, 180, 195, 234, 243, 260, 270, 324, 351, 390, 405, 468, 486, 540, 585, 702, 780, 810, 972, 1019, 1053, 1170, 1215, 1404, 1620, 1755, 2038, 2106, 2340, 2430, 3057, 3159, 3510, 4076, 4212, 4860, 5095, 5265, 6114, 6318, 7020, 9171, 10190, 10530, 12228, 12636, 13247, 15285, 15795, 18342, 20380, 21060, 26494, 27513, 30570, 31590, 36684, 39741, 45855, 52988, 55026, 61140, 63180, 66235, 79482, 82539, 91710, 110052, 119223, 132470, 137565, 158964, 165078, 183420, 198705, 238446, 247617, 264940, 275130, 330156, 357669, 397410, 412695, 476892, 495234, 550260, 596115, 715338, 794820, 825390, 990468, 1073007, 1192230, 1238085, 1430676, 1650780, 1788345, 2146014, 2384460, 2476170, 3219021, 3576690, 4292028, 4952340, 5365035, 6438042, 7153380, 10730070, 12876084, 16095105, 21460140, 32190210, 64380420]

約数ペア:

[(1, 64380420), (2, 32190210), (3, 21460140), (4, 16095105), (5, 12876084), (6, 10730070), (9, 7153380), (10, 6438042), (12, 5365035), (13, 4952340), (15, 4292028), (18, 3576690), (20, 3219021), (26, 2476170), (27, 2384460), (30, 2146014), (36, 1788345), (39, 1650780), (45, 1430676), (52, 1238085), (54, 1192230), (60, 1073007), (65, 990468), (78, 825390), (81, 794820), (90, 715338), (108, 596115), (117, 550260), (130, 495234), (135, 476892), (156, 412695), (162, 397410), (180, 357669), (195, 330156), (234, 275130), (243, 264940), (260, 247617), (270, 238446), (324, 198705), (351, 183420), (390, 165078), (405, 158964), (468, 137565), (486, 132470), (540, 119223), (585, 110052), (702, 91710), (780, 82539), (810, 79482), (972, 66235), (1019, 63180), (1053, 61140), (1170, 55026), (1215, 52988), (1404, 45855), (1620, 39741), (1755, 36684), (2038, 31590), (2106, 30570), (2340, 27513), (2430, 26494), (3057, 21060), (3159, 20380), (3510, 18342), (4076, 15795), (4212, 15285), (4860, 13247), (5095, 12636), (5265, 12228), (6114, 10530), (6318, 10190), (7020, 9171)]