80981640

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{167}}^1\times {\mathrm{449}}^1$

素因数の和:636

約数の個数: 128

約数和(自身を含む): 272160000

約数和(自身を除く): 191178360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 167, 180, 216, 270, 334, 360, 449, 501, 540, 668, 835, 898, 1002, 1080, 1336, 1347, 1503, 1670, 1796, 2004, 2245, 2505, 2694, 3006, 3340, 3592, 4008, 4041, 4490, 4509, 5010, 5388, 6012, 6680, 6735, 7515, 8082, 8980, 9018, 10020, 10776, 12024, 12123, 13470, 15030, 16164, 17960, 18036, 20040, 20205, 22545, 24246, 26940, 30060, 32328, 36072, 40410, 45090, 48492, 53880, 60120, 60615, 74983, 80820, 90180, 96984, 121230, 149966, 161640, 180360, 224949, 242460, 299932, 374915, 449898, 484920, 599864, 674847, 749830, 899796, 1124745, 1349694, 1499660, 1799592, 2024541, 2249490, 2699388, 2999320, 3374235, 4049082, 4498980, 5398776, 6748470, 8098164, 8997960, 10122705, 13496940, 16196328, 20245410, 26993880, 40490820, 80981640]

約数ペア:

[(1, 80981640), (2, 40490820), (3, 26993880), (4, 20245410), (5, 16196328), (6, 13496940), (8, 10122705), (9, 8997960), (10, 8098164), (12, 6748470), (15, 5398776), (18, 4498980), (20, 4049082), (24, 3374235), (27, 2999320), (30, 2699388), (36, 2249490), (40, 2024541), (45, 1799592), (54, 1499660), (60, 1349694), (72, 1124745), (90, 899796), (108, 749830), (120, 674847), (135, 599864), (167, 484920), (180, 449898), (216, 374915), (270, 299932), (334, 242460), (360, 224949), (449, 180360), (501, 161640), (540, 149966), (668, 121230), (835, 96984), (898, 90180), (1002, 80820), (1080, 74983), (1336, 60615), (1347, 60120), (1503, 53880), (1670, 48492), (1796, 45090), (2004, 40410), (2245, 36072), (2505, 32328), (2694, 30060), (3006, 26940), (3340, 24246), (3592, 22545), (4008, 20205), (4041, 20040), (4490, 18036), (4509, 17960), (5010, 16164), (5388, 15030), (6012, 13470), (6680, 12123), (6735, 12024), (7515, 10776), (8082, 10020), (8980, 9018)]