278337930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^3\times {\mathrm{41}}^1\times {\mathrm{103}}^1$

素因数の和:193

約数の個数: 128

約数和(自身を含む): 748500480

約数和(自身を除く): 470162550

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 41, 65, 78, 82, 103, 123, 130, 169, 195, 205, 206, 246, 309, 338, 390, 410, 507, 515, 533, 615, 618, 845, 1014, 1030, 1066, 1230, 1339, 1545, 1599, 1690, 2197, 2535, 2665, 2678, 3090, 3198, 4017, 4223, 4394, 5070, 5330, 6591, 6695, 6929, 7995, 8034, 8446, 10985, 12669, 13182, 13390, 13858, 15990, 17407, 20085, 20787, 21115, 21970, 25338, 32955, 34645, 34814, 40170, 41574, 42230, 52221, 54899, 63345, 65910, 69290, 87035, 90077, 103935, 104442, 109798, 126690, 164697, 174070, 180154, 207870, 226291, 261105, 270231, 274495, 329394, 450385, 452582, 522210, 540462, 548990, 678873, 713687, 823485, 900770, 1131455, 1351155, 1357746, 1427374, 1646970, 2141061, 2262910, 2702310, 3394365, 3568435, 4282122, 6788730, 7136870, 9277931, 10705305, 18555862, 21410610, 27833793, 46389655, 55667586, 92779310, 139168965, 278337930]

約数ペア:

[(1, 278337930), (2, 139168965), (3, 92779310), (5, 55667586), (6, 46389655), (10, 27833793), (13, 21410610), (15, 18555862), (26, 10705305), (30, 9277931), (39, 7136870), (41, 6788730), (65, 4282122), (78, 3568435), (82, 3394365), (103, 2702310), (123, 2262910), (130, 2141061), (169, 1646970), (195, 1427374), (205, 1357746), (206, 1351155), (246, 1131455), (309, 900770), (338, 823485), (390, 713687), (410, 678873), (507, 548990), (515, 540462), (533, 522210), (615, 452582), (618, 450385), (845, 329394), (1014, 274495), (1030, 270231), (1066, 261105), (1230, 226291), (1339, 207870), (1545, 180154), (1599, 174070), (1690, 164697), (2197, 126690), (2535, 109798), (2665, 104442), (2678, 103935), (3090, 90077), (3198, 87035), (4017, 69290), (4223, 65910), (4394, 63345), (5070, 54899), (5330, 52221), (6591, 42230), (6695, 41574), (6929, 40170), (7995, 34814), (8034, 34645), (8446, 32955), (10985, 25338), (12669, 21970), (13182, 21115), (13390, 20787), (13858, 20085), (15990, 17407)]