640725150

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{6991}}^1$

素因数の和:7066

約数の個数: 96

約数和(自身を含む): 1747888128

約数和(自身を除く): 1107162978

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 47, 50, 65, 75, 78, 94, 130, 141, 150, 195, 235, 282, 325, 390, 470, 611, 650, 705, 975, 1175, 1222, 1410, 1833, 1950, 2350, 3055, 3525, 3666, 6110, 6991, 7050, 9165, 13982, 15275, 18330, 20973, 30550, 34955, 41946, 45825, 69910, 90883, 91650, 104865, 174775, 181766, 209730, 272649, 328577, 349550, 454415, 524325, 545298, 657154, 908830, 985731, 1048650, 1363245, 1642885, 1971462, 2272075, 2726490, 3285770, 4271501, 4544150, 4928655, 6816225, 8214425, 8543002, 9857310, 12814503, 13632450, 16428850, 21357505, 24643275, 25629006, 42715010, 49286550, 64072515, 106787525, 128145030, 213575050, 320362575, 640725150]

約数ペア:

[(1, 640725150), (2, 320362575), (3, 213575050), (5, 128145030), (6, 106787525), (10, 64072515), (13, 49286550), (15, 42715010), (25, 25629006), (26, 24643275), (30, 21357505), (39, 16428850), (47, 13632450), (50, 12814503), (65, 9857310), (75, 8543002), (78, 8214425), (94, 6816225), (130, 4928655), (141, 4544150), (150, 4271501), (195, 3285770), (235, 2726490), (282, 2272075), (325, 1971462), (390, 1642885), (470, 1363245), (611, 1048650), (650, 985731), (705, 908830), (975, 657154), (1175, 545298), (1222, 524325), (1410, 454415), (1833, 349550), (1950, 328577), (2350, 272649), (3055, 209730), (3525, 181766), (3666, 174775), (6110, 104865), (6991, 91650), (7050, 90883), (9165, 69910), (13982, 45825), (15275, 41946), (18330, 34955), (20973, 30550)]