67944380

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:172

約数の個数: 144

約数和(自身を含む): 180986400

約数和(自身を除く): 113042020

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 41, 49, 70, 76, 82, 89, 95, 98, 133, 140, 164, 178, 190, 196, 205, 245, 266, 287, 356, 380, 410, 445, 490, 532, 574, 623, 665, 779, 820, 890, 931, 980, 1148, 1246, 1330, 1435, 1558, 1691, 1780, 1862, 2009, 2492, 2660, 2870, 3115, 3116, 3382, 3649, 3724, 3895, 4018, 4361, 4655, 5453, 5740, 6230, 6764, 7298, 7790, 8036, 8455, 8722, 9310, 10045, 10906, 11837, 12460, 14596, 15580, 16910, 17444, 18245, 18620, 20090, 21805, 21812, 23674, 25543, 27265, 33820, 36490, 38171, 40180, 43610, 47348, 51086, 54530, 59185, 69331, 72980, 76342, 82859, 87220, 102172, 109060, 118370, 127715, 138662, 152684, 165718, 178801, 190855, 236740, 255430, 277324, 331436, 346655, 357602, 381710, 414295, 485317, 510860, 693310, 715204, 763420, 828590, 894005, 970634, 1386620, 1657180, 1788010, 1941268, 2426585, 3397219, 3576020, 4853170, 6794438, 9706340, 13588876, 16986095, 33972190, 67944380]

約数ペア:

[(1, 67944380), (2, 33972190), (4, 16986095), (5, 13588876), (7, 9706340), (10, 6794438), (14, 4853170), (19, 3576020), (20, 3397219), (28, 2426585), (35, 1941268), (38, 1788010), (41, 1657180), (49, 1386620), (70, 970634), (76, 894005), (82, 828590), (89, 763420), (95, 715204), (98, 693310), (133, 510860), (140, 485317), (164, 414295), (178, 381710), (190, 357602), (196, 346655), (205, 331436), (245, 277324), (266, 255430), (287, 236740), (356, 190855), (380, 178801), (410, 165718), (445, 152684), (490, 138662), (532, 127715), (574, 118370), (623, 109060), (665, 102172), (779, 87220), (820, 82859), (890, 76342), (931, 72980), (980, 69331), (1148, 59185), (1246, 54530), (1330, 51086), (1435, 47348), (1558, 43610), (1691, 40180), (1780, 38171), (1862, 36490), (2009, 33820), (2492, 27265), (2660, 25543), (2870, 23674), (3115, 21812), (3116, 21805), (3382, 20090), (3649, 18620), (3724, 18245), (3895, 17444), (4018, 16910), (4361, 15580), (4655, 14596), (5453, 12460), (5740, 11837), (6230, 10906), (6764, 10045), (7298, 9310), (7790, 8722), (8036, 8455)]