28614540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:271

約数の個数: 96

約数和(自身を含む): 83543040

約数和(自身を除く): 54928500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 47, 60, 73, 94, 139, 141, 146, 188, 219, 235, 278, 282, 292, 365, 417, 438, 470, 556, 564, 695, 705, 730, 834, 876, 940, 1095, 1390, 1410, 1460, 1668, 2085, 2190, 2780, 2820, 3431, 4170, 4380, 6533, 6862, 8340, 10147, 10293, 13066, 13724, 17155, 19599, 20294, 20586, 26132, 30441, 32665, 34310, 39198, 40588, 41172, 50735, 51465, 60882, 65330, 68620, 78396, 97995, 101470, 102930, 121764, 130660, 152205, 195990, 202940, 205860, 304410, 391980, 476909, 608820, 953818, 1430727, 1907636, 2384545, 2861454, 4769090, 5722908, 7153635, 9538180, 14307270, 28614540]

約数ペア:

[(1, 28614540), (2, 14307270), (3, 9538180), (4, 7153635), (5, 5722908), (6, 4769090), (10, 2861454), (12, 2384545), (15, 1907636), (20, 1430727), (30, 953818), (47, 608820), (60, 476909), (73, 391980), (94, 304410), (139, 205860), (141, 202940), (146, 195990), (188, 152205), (219, 130660), (235, 121764), (278, 102930), (282, 101470), (292, 97995), (365, 78396), (417, 68620), (438, 65330), (470, 60882), (556, 51465), (564, 50735), (695, 41172), (705, 40588), (730, 39198), (834, 34310), (876, 32665), (940, 30441), (1095, 26132), (1390, 20586), (1410, 20294), (1460, 19599), (1668, 17155), (2085, 13724), (2190, 13066), (2780, 10293), (2820, 10147), (3431, 8340), (4170, 6862), (4380, 6533)]