68494020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1$

素因数の和:270

約数の個数: 192

約数和(自身を含む): 237758976

約数和(自身を除く): 169264956

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 53, 60, 68, 70, 84, 85, 102, 105, 106, 119, 140, 159, 170, 181, 204, 210, 212, 238, 255, 265, 318, 340, 357, 362, 371, 420, 476, 510, 530, 543, 595, 636, 714, 724, 742, 795, 901, 905, 1020, 1060, 1086, 1113, 1190, 1267, 1428, 1484, 1590, 1785, 1802, 1810, 1855, 2172, 2226, 2380, 2534, 2703, 2715, 3077, 3180, 3570, 3604, 3620, 3710, 3801, 4452, 4505, 5068, 5406, 5430, 5565, 6154, 6307, 6335, 7140, 7420, 7602, 9010, 9231, 9593, 10812, 10860, 11130, 12308, 12614, 12670, 13515, 15204, 15385, 18020, 18462, 18921, 19005, 19186, 21539, 22260, 25228, 25340, 27030, 28779, 30770, 31535, 36924, 37842, 38010, 38372, 43078, 46155, 47965, 54060, 57558, 61540, 63070, 64617, 67151, 75684, 76020, 86156, 92310, 94605, 95930, 107695, 115116, 126140, 129234, 134302, 143895, 163081, 184620, 189210, 191860, 201453, 215390, 258468, 268604, 287790, 323085, 326162, 335755, 378420, 402906, 430780, 489243, 575580, 646170, 652324, 671510, 805812, 815405, 978486, 1007265, 1141567, 1292340, 1343020, 1630810, 1956972, 2014530, 2283134, 2446215, 3261620, 3424701, 4029060, 4566268, 4892430, 5707835, 6849402, 9784860, 11415670, 13698804, 17123505, 22831340, 34247010, 68494020]

約数ペア:

[(1, 68494020), (2, 34247010), (3, 22831340), (4, 17123505), (5, 13698804), (6, 11415670), (7, 9784860), (10, 6849402), (12, 5707835), (14, 4892430), (15, 4566268), (17, 4029060), (20, 3424701), (21, 3261620), (28, 2446215), (30, 2283134), (34, 2014530), (35, 1956972), (42, 1630810), (51, 1343020), (53, 1292340), (60, 1141567), (68, 1007265), (70, 978486), (84, 815405), (85, 805812), (102, 671510), (105, 652324), (106, 646170), (119, 575580), (140, 489243), (159, 430780), (170, 402906), (181, 378420), (204, 335755), (210, 326162), (212, 323085), (238, 287790), (255, 268604), (265, 258468), (318, 215390), (340, 201453), (357, 191860), (362, 189210), (371, 184620), (420, 163081), (476, 143895), (510, 134302), (530, 129234), (543, 126140), (595, 115116), (636, 107695), (714, 95930), (724, 94605), (742, 92310), (795, 86156), (901, 76020), (905, 75684), (1020, 67151), (1060, 64617), (1086, 63070), (1113, 61540), (1190, 57558), (1267, 54060), (1428, 47965), (1484, 46155), (1590, 43078), (1785, 38372), (1802, 38010), (1810, 37842), (1855, 36924), (2172, 31535), (2226, 30770), (2380, 28779), (2534, 27030), (2703, 25340), (2715, 25228), (3077, 22260), (3180, 21539), (3570, 19186), (3604, 19005), (3620, 18921), (3710, 18462), (3801, 18020), (4452, 15385), (4505, 15204), (5068, 13515), (5406, 12670), (5430, 12614), (5565, 12308), (6154, 11130), (6307, 10860), (6335, 10812), (7140, 9593), (7420, 9231), (7602, 9010)]