87124880

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^2$

素因数の和:149

約数の個数: 120

約数和(自身を含む): 225342720

約数和(自身を除く): 138217840

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 43, 62, 76, 80, 86, 95, 124, 152, 155, 172, 190, 215, 248, 304, 310, 344, 380, 430, 496, 589, 620, 688, 760, 817, 860, 1178, 1240, 1333, 1520, 1634, 1720, 1849, 2356, 2480, 2666, 2945, 3268, 3440, 3698, 4085, 4712, 5332, 5890, 6536, 6665, 7396, 8170, 9245, 9424, 10664, 11780, 13072, 13330, 14792, 16340, 18490, 21328, 23560, 25327, 26660, 29584, 32680, 35131, 36980, 47120, 50654, 53320, 57319, 65360, 70262, 73960, 101308, 106640, 114638, 126635, 140524, 147920, 175655, 202616, 229276, 253270, 281048, 286595, 351310, 405232, 458552, 506540, 562096, 573190, 702620, 917104, 1013080, 1089061, 1146380, 1405240, 2026160, 2178122, 2292760, 2810480, 4356244, 4585520, 5445305, 8712488, 10890610, 17424976, 21781220, 43562440, 87124880]

約数ペア:

[(1, 87124880), (2, 43562440), (4, 21781220), (5, 17424976), (8, 10890610), (10, 8712488), (16, 5445305), (19, 4585520), (20, 4356244), (31, 2810480), (38, 2292760), (40, 2178122), (43, 2026160), (62, 1405240), (76, 1146380), (80, 1089061), (86, 1013080), (95, 917104), (124, 702620), (152, 573190), (155, 562096), (172, 506540), (190, 458552), (215, 405232), (248, 351310), (304, 286595), (310, 281048), (344, 253270), (380, 229276), (430, 202616), (496, 175655), (589, 147920), (620, 140524), (688, 126635), (760, 114638), (817, 106640), (860, 101308), (1178, 73960), (1240, 70262), (1333, 65360), (1520, 57319), (1634, 53320), (1720, 50654), (1849, 47120), (2356, 36980), (2480, 35131), (2666, 32680), (2945, 29584), (3268, 26660), (3440, 25327), (3698, 23560), (4085, 21328), (4712, 18490), (5332, 16340), (5890, 14792), (6536, 13330), (6665, 13072), (7396, 11780), (8170, 10664), (9245, 9424)]