78890760

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1873}}^1$

素因数の和:1909

約数の個数: 160

約数和(自身を含む): 285710040

約数和(自身を除く): 206819280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 65, 72, 78, 81, 90, 104, 108, 117, 120, 130, 135, 156, 162, 180, 195, 216, 234, 260, 270, 312, 324, 351, 360, 390, 405, 468, 520, 540, 585, 648, 702, 780, 810, 936, 1053, 1080, 1170, 1404, 1560, 1620, 1755, 1873, 2106, 2340, 2808, 3240, 3510, 3746, 4212, 4680, 5265, 5619, 7020, 7492, 8424, 9365, 10530, 11238, 14040, 14984, 16857, 18730, 21060, 22476, 24349, 28095, 33714, 37460, 42120, 44952, 48698, 50571, 56190, 67428, 73047, 74920, 84285, 97396, 101142, 112380, 121745, 134856, 146094, 151713, 168570, 194792, 202284, 219141, 224760, 243490, 252855, 292188, 303426, 337140, 365235, 404568, 438282, 486980, 505710, 584376, 606852, 657423, 674280, 730470, 758565, 876564, 973960, 1011420, 1095705, 1213704, 1314846, 1460940, 1517130, 1753128, 1972269, 2022840, 2191410, 2629692, 2921880, 3034260, 3287115, 3944538, 4382820, 5259384, 6068520, 6574230, 7889076, 8765640, 9861345, 13148460, 15778152, 19722690, 26296920, 39445380, 78890760]

約数ペア:

[(1, 78890760), (2, 39445380), (3, 26296920), (4, 19722690), (5, 15778152), (6, 13148460), (8, 9861345), (9, 8765640), (10, 7889076), (12, 6574230), (13, 6068520), (15, 5259384), (18, 4382820), (20, 3944538), (24, 3287115), (26, 3034260), (27, 2921880), (30, 2629692), (36, 2191410), (39, 2022840), (40, 1972269), (45, 1753128), (52, 1517130), (54, 1460940), (60, 1314846), (65, 1213704), (72, 1095705), (78, 1011420), (81, 973960), (90, 876564), (104, 758565), (108, 730470), (117, 674280), (120, 657423), (130, 606852), (135, 584376), (156, 505710), (162, 486980), (180, 438282), (195, 404568), (216, 365235), (234, 337140), (260, 303426), (270, 292188), (312, 252855), (324, 243490), (351, 224760), (360, 219141), (390, 202284), (405, 194792), (468, 168570), (520, 151713), (540, 146094), (585, 134856), (648, 121745), (702, 112380), (780, 101142), (810, 97396), (936, 84285), (1053, 74920), (1080, 73047), (1170, 67428), (1404, 56190), (1560, 50571), (1620, 48698), (1755, 44952), (1873, 42120), (2106, 37460), (2340, 33714), (2808, 28095), (3240, 24349), (3510, 22476), (3746, 21060), (4212, 18730), (4680, 16857), (5265, 14984), (5619, 14040), (7020, 11238), (7492, 10530), (8424, 9365)]