680815455

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{647}}^1$

素因数の和:784

約数の個数: 64

約数和(自身を含む): 1175731200

約数和(自身を除く): 494915745

約数列:

[1, 3, 5, 15, 29, 41, 59, 87, 123, 145, 177, 205, 295, 435, 615, 647, 885, 1189, 1711, 1941, 2419, 3235, 3567, 5133, 5945, 7257, 8555, 9705, 12095, 17835, 18763, 25665, 26527, 36285, 38173, 56289, 70151, 79581, 93815, 114519, 132635, 190865, 210453, 281445, 350755, 397905, 572595, 769283, 1052265, 1107017, 1565093, 2307849, 3321051, 3846415, 4695279, 5535085, 7825465, 11539245, 16605255, 23476395, 45387697, 136163091, 226938485, 680815455]

約数ペア:

[(1, 680815455), (3, 226938485), (5, 136163091), (15, 45387697), (29, 23476395), (41, 16605255), (59, 11539245), (87, 7825465), (123, 5535085), (145, 4695279), (177, 3846415), (205, 3321051), (295, 2307849), (435, 1565093), (615, 1107017), (647, 1052265), (885, 769283), (1189, 572595), (1711, 397905), (1941, 350755), (2419, 281445), (3235, 210453), (3567, 190865), (5133, 132635), (5945, 114519), (7257, 93815), (8555, 79581), (9705, 70151), (12095, 56289), (17835, 38173), (18763, 36285), (25665, 26527)]