142306780

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{307}}^1$

素因数の和:384

約数の個数: 144

約数和(自身を含む): 389321856

約数和(自身を除く): 247015076

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 43, 44, 49, 55, 70, 77, 86, 98, 110, 140, 154, 172, 196, 215, 220, 245, 301, 307, 308, 385, 430, 473, 490, 539, 602, 614, 770, 860, 946, 980, 1078, 1204, 1228, 1505, 1535, 1540, 1892, 2107, 2149, 2156, 2365, 2695, 3010, 3070, 3311, 3377, 4214, 4298, 4730, 5390, 6020, 6140, 6622, 6754, 8428, 8596, 9460, 10535, 10745, 10780, 13201, 13244, 13508, 15043, 16555, 16885, 21070, 21490, 23177, 23639, 26402, 30086, 33110, 33770, 42140, 42980, 46354, 47278, 52804, 60172, 66005, 66220, 67540, 75215, 92407, 92708, 94556, 115885, 118195, 132010, 145211, 150430, 165473, 184814, 231770, 236390, 264020, 290422, 300860, 330946, 369628, 462035, 463540, 472780, 580844, 646849, 661892, 726055, 827365, 924070, 1016477, 1293698, 1452110, 1654730, 1848140, 2032954, 2587396, 2904220, 3234245, 3309460, 4065908, 5082385, 6468490, 7115339, 10164770, 12936980, 14230678, 20329540, 28461356, 35576695, 71153390, 142306780]

約数ペア:

[(1, 142306780), (2, 71153390), (4, 35576695), (5, 28461356), (7, 20329540), (10, 14230678), (11, 12936980), (14, 10164770), (20, 7115339), (22, 6468490), (28, 5082385), (35, 4065908), (43, 3309460), (44, 3234245), (49, 2904220), (55, 2587396), (70, 2032954), (77, 1848140), (86, 1654730), (98, 1452110), (110, 1293698), (140, 1016477), (154, 924070), (172, 827365), (196, 726055), (215, 661892), (220, 646849), (245, 580844), (301, 472780), (307, 463540), (308, 462035), (385, 369628), (430, 330946), (473, 300860), (490, 290422), (539, 264020), (602, 236390), (614, 231770), (770, 184814), (860, 165473), (946, 150430), (980, 145211), (1078, 132010), (1204, 118195), (1228, 115885), (1505, 94556), (1535, 92708), (1540, 92407), (1892, 75215), (2107, 67540), (2149, 66220), (2156, 66005), (2365, 60172), (2695, 52804), (3010, 47278), (3070, 46354), (3311, 42980), (3377, 42140), (4214, 33770), (4298, 33110), (4730, 30086), (5390, 26402), (6020, 23639), (6140, 23177), (6622, 21490), (6754, 21070), (8428, 16885), (8596, 16555), (9460, 15043), (10535, 13508), (10745, 13244), (10780, 13201)]