15101960

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{641}}^1$

素因数の和:702

約数の個数: 64

約数和(自身を含む): 36979200

約数和(自身を除く): 21877240

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 62, 76, 95, 124, 152, 155, 190, 248, 310, 380, 589, 620, 641, 760, 1178, 1240, 1282, 2356, 2564, 2945, 3205, 4712, 5128, 5890, 6410, 11780, 12179, 12820, 19871, 23560, 24358, 25640, 39742, 48716, 60895, 79484, 97432, 99355, 121790, 158968, 198710, 243580, 377549, 397420, 487160, 755098, 794840, 1510196, 1887745, 3020392, 3775490, 7550980, 15101960]

約数ペア:

[(1, 15101960), (2, 7550980), (4, 3775490), (5, 3020392), (8, 1887745), (10, 1510196), (19, 794840), (20, 755098), (31, 487160), (38, 397420), (40, 377549), (62, 243580), (76, 198710), (95, 158968), (124, 121790), (152, 99355), (155, 97432), (190, 79484), (248, 60895), (310, 48716), (380, 39742), (589, 25640), (620, 24358), (641, 23560), (760, 19871), (1178, 12820), (1240, 12179), (1282, 11780), (2356, 6410), (2564, 5890), (2945, 5128), (3205, 4712)]