28857001860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1097}}^1\times {\mathrm{146141}}^1$

素因数の和:147253

約数の個数: 72

約数和(自身を含む): 87613298136

約数和(自身を除く): 58756296276

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1097, 2194, 3291, 4388, 5485, 6582, 9873, 10970, 13164, 16455, 19746, 21940, 32910, 39492, 49365, 65820, 98730, 146141, 197460, 292282, 438423, 584564, 730705, 876846, 1315269, 1461410, 1753692, 2192115, 2630538, 2922820, 4384230, 5261076, 6576345, 8768460, 13152690, 26305380, 160316677, 320633354, 480950031, 641266708, 801583385, 961900062, 1442850093, 1603166770, 1923800124, 2404750155, 2885700186, 3206333540, 4809500310, 5771400372, 7214250465, 9619000620, 14428500930, 28857001860]

約数ペア:

[(1, 28857001860), (2, 14428500930), (3, 9619000620), (4, 7214250465), (5, 5771400372), (6, 4809500310), (9, 3206333540), (10, 2885700186), (12, 2404750155), (15, 1923800124), (18, 1603166770), (20, 1442850093), (30, 961900062), (36, 801583385), (45, 641266708), (60, 480950031), (90, 320633354), (180, 160316677), (1097, 26305380), (2194, 13152690), (3291, 8768460), (4388, 6576345), (5485, 5261076), (6582, 4384230), (9873, 2922820), (10970, 2630538), (13164, 2192115), (16455, 1753692), (19746, 1461410), (21940, 1315269), (32910, 876846), (39492, 730705), (49365, 584564), (65820, 438423), (98730, 292282), (146141, 197460)]