72091440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{449}}^1$

素因数の和:691

約数の個数: 120

約数和(自身を含む): 243734400

約数和(自身を除く): 171642960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 223, 240, 360, 446, 449, 669, 720, 892, 898, 1115, 1338, 1347, 1784, 1796, 2007, 2230, 2245, 2676, 2694, 3345, 3568, 3592, 4014, 4041, 4460, 4490, 5352, 5388, 6690, 6735, 7184, 8028, 8082, 8920, 8980, 10035, 10704, 10776, 13380, 13470, 16056, 16164, 17840, 17960, 20070, 20205, 21552, 26760, 26940, 32112, 32328, 35920, 40140, 40410, 53520, 53880, 64656, 80280, 80820, 100127, 107760, 160560, 161640, 200254, 300381, 323280, 400508, 500635, 600762, 801016, 901143, 1001270, 1201524, 1501905, 1602032, 1802286, 2002540, 2403048, 3003810, 3604572, 4005080, 4505715, 4806096, 6007620, 7209144, 8010160, 9011430, 12015240, 14418288, 18022860, 24030480, 36045720, 72091440]

約数ペア:

[(1, 72091440), (2, 36045720), (3, 24030480), (4, 18022860), (5, 14418288), (6, 12015240), (8, 9011430), (9, 8010160), (10, 7209144), (12, 6007620), (15, 4806096), (16, 4505715), (18, 4005080), (20, 3604572), (24, 3003810), (30, 2403048), (36, 2002540), (40, 1802286), (45, 1602032), (48, 1501905), (60, 1201524), (72, 1001270), (80, 901143), (90, 801016), (120, 600762), (144, 500635), (180, 400508), (223, 323280), (240, 300381), (360, 200254), (446, 161640), (449, 160560), (669, 107760), (720, 100127), (892, 80820), (898, 80280), (1115, 64656), (1338, 53880), (1347, 53520), (1784, 40410), (1796, 40140), (2007, 35920), (2230, 32328), (2245, 32112), (2676, 26940), (2694, 26760), (3345, 21552), (3568, 20205), (3592, 20070), (4014, 17960), (4041, 17840), (4460, 16164), (4490, 16056), (5352, 13470), (5388, 13380), (6690, 10776), (6735, 10704), (7184, 10035), (8028, 8980), (8082, 8920)]