68441520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{40739}}^1$

素因数の和:40762

約数の個数: 80

約数和(自身を含む): 242484480

約数和(自身を除く): 174042960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 40739, 81478, 122217, 162956, 203695, 244434, 285173, 325912, 407390, 488868, 570346, 611085, 651824, 814780, 855519, 977736, 1140692, 1222170, 1425865, 1629560, 1711038, 1955472, 2281384, 2444340, 2851730, 3259120, 3422076, 4277595, 4562768, 4888680, 5703460, 6844152, 8555190, 9777360, 11406920, 13688304, 17110380, 22813840, 34220760, 68441520]

約数ペア:

[(1, 68441520), (2, 34220760), (3, 22813840), (4, 17110380), (5, 13688304), (6, 11406920), (7, 9777360), (8, 8555190), (10, 6844152), (12, 5703460), (14, 4888680), (15, 4562768), (16, 4277595), (20, 3422076), (21, 3259120), (24, 2851730), (28, 2444340), (30, 2281384), (35, 1955472), (40, 1711038), (42, 1629560), (48, 1425865), (56, 1222170), (60, 1140692), (70, 977736), (80, 855519), (84, 814780), (105, 651824), (112, 611085), (120, 570346), (140, 488868), (168, 407390), (210, 325912), (240, 285173), (280, 244434), (336, 203695), (420, 162956), (560, 122217), (840, 81478), (1680, 40739)]