144934720

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{727}}^1$

素因数の和:840

約数の個数: 112

約数和(自身を含む): 399409920

約数和(自身を除く): 254475200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 89, 112, 140, 160, 178, 224, 280, 320, 356, 445, 448, 560, 623, 712, 727, 890, 1120, 1246, 1424, 1454, 1780, 2240, 2492, 2848, 2908, 3115, 3560, 3635, 4984, 5089, 5696, 5816, 6230, 7120, 7270, 9968, 10178, 11632, 12460, 14240, 14540, 19936, 20356, 23264, 24920, 25445, 28480, 29080, 39872, 40712, 46528, 49840, 50890, 58160, 64703, 81424, 99680, 101780, 116320, 129406, 162848, 199360, 203560, 232640, 258812, 323515, 325696, 407120, 452921, 517624, 647030, 814240, 905842, 1035248, 1294060, 1628480, 1811684, 2070496, 2264605, 2588120, 3623368, 4140992, 4529210, 5176240, 7246736, 9058420, 10352480, 14493472, 18116840, 20704960, 28986944, 36233680, 72467360, 144934720]

約数ペア:

[(1, 144934720), (2, 72467360), (4, 36233680), (5, 28986944), (7, 20704960), (8, 18116840), (10, 14493472), (14, 10352480), (16, 9058420), (20, 7246736), (28, 5176240), (32, 4529210), (35, 4140992), (40, 3623368), (56, 2588120), (64, 2264605), (70, 2070496), (80, 1811684), (89, 1628480), (112, 1294060), (140, 1035248), (160, 905842), (178, 814240), (224, 647030), (280, 517624), (320, 452921), (356, 407120), (445, 325696), (448, 323515), (560, 258812), (623, 232640), (712, 203560), (727, 199360), (890, 162848), (1120, 129406), (1246, 116320), (1424, 101780), (1454, 99680), (1780, 81424), (2240, 64703), (2492, 58160), (2848, 50890), (2908, 49840), (3115, 46528), (3560, 40712), (3635, 39872), (4984, 29080), (5089, 28480), (5696, 25445), (5816, 24920), (6230, 23264), (7120, 20356), (7270, 19936), (9968, 14540), (10178, 14240), (11632, 12460)]