2168783820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{1721257}}^1$

素因数の和:1721279

約数の個数: 72

約数和(自身を含む): 7518454944

約数和(自身を除く): 5349671124

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 1721257, 3442514, 5163771, 6885028, 8606285, 10327542, 12048799, 15491313, 17212570, 20655084, 24097598, 25818855, 30982626, 34425140, 36146397, 48195196, 51637710, 60243995, 61965252, 72292794, 77456565, 103275420, 108439191, 120487990, 144585588, 154913130, 180731985, 216878382, 240975980, 309826260, 361463970, 433756764, 542195955, 722927940, 1084391910, 2168783820]

約数ペア:

[(1, 2168783820), (2, 1084391910), (3, 722927940), (4, 542195955), (5, 433756764), (6, 361463970), (7, 309826260), (9, 240975980), (10, 216878382), (12, 180731985), (14, 154913130), (15, 144585588), (18, 120487990), (20, 108439191), (21, 103275420), (28, 77456565), (30, 72292794), (35, 61965252), (36, 60243995), (42, 51637710), (45, 48195196), (60, 36146397), (63, 34425140), (70, 30982626), (84, 25818855), (90, 24097598), (105, 20655084), (126, 17212570), (140, 15491313), (180, 12048799), (210, 10327542), (252, 8606285), (315, 6885028), (420, 5163771), (630, 3442514), (1260, 1721257)]