166997840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{607}}^1$

素因数の和:820

約数の個数: 80

約数和(自身を含む): 411640320

約数和(自身を除く): 244642480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 181, 190, 304, 362, 380, 607, 724, 760, 905, 1214, 1448, 1520, 1810, 2428, 2896, 3035, 3439, 3620, 4856, 6070, 6878, 7240, 9712, 11533, 12140, 13756, 14480, 17195, 23066, 24280, 27512, 34390, 46132, 48560, 55024, 57665, 68780, 92264, 109867, 115330, 137560, 184528, 219734, 230660, 275120, 439468, 461320, 549335, 878936, 922640, 1098670, 1757872, 2087473, 2197340, 4174946, 4394680, 8349892, 8789360, 10437365, 16699784, 20874730, 33399568, 41749460, 83498920, 166997840]

約数ペア:

[(1, 166997840), (2, 83498920), (4, 41749460), (5, 33399568), (8, 20874730), (10, 16699784), (16, 10437365), (19, 8789360), (20, 8349892), (38, 4394680), (40, 4174946), (76, 2197340), (80, 2087473), (95, 1757872), (152, 1098670), (181, 922640), (190, 878936), (304, 549335), (362, 461320), (380, 439468), (607, 275120), (724, 230660), (760, 219734), (905, 184528), (1214, 137560), (1448, 115330), (1520, 109867), (1810, 92264), (2428, 68780), (2896, 57665), (3035, 55024), (3439, 48560), (3620, 46132), (4856, 34390), (6070, 27512), (6878, 24280), (7240, 23066), (9712, 17195), (11533, 14480), (12140, 13756)]