810490380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{275677}}^1$

素因数の和:275703

約数の個数: 72

約数和(自身を含む): 2639892528

約数和(自身を除く): 1829402148

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 275677, 551354, 827031, 1102708, 1378385, 1654062, 1929739, 2756770, 3308124, 3859478, 4135155, 5513540, 5789217, 7718956, 8270310, 9648695, 11578434, 13508173, 16540620, 19297390, 23156868, 27016346, 28946085, 38594780, 40524519, 54032692, 57892170, 67540865, 81049038, 115784340, 135081730, 162098076, 202622595, 270163460, 405245190, 810490380]

約数ペア:

[(1, 810490380), (2, 405245190), (3, 270163460), (4, 202622595), (5, 162098076), (6, 135081730), (7, 115784340), (10, 81049038), (12, 67540865), (14, 57892170), (15, 54032692), (20, 40524519), (21, 38594780), (28, 28946085), (30, 27016346), (35, 23156868), (42, 19297390), (49, 16540620), (60, 13508173), (70, 11578434), (84, 9648695), (98, 8270310), (105, 7718956), (140, 5789217), (147, 5513540), (196, 4135155), (210, 3859478), (245, 3308124), (294, 2756770), (420, 1929739), (490, 1654062), (588, 1378385), (735, 1102708), (980, 827031), (1470, 551354), (2940, 275677)]