156714920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{2689}}^1$

素因数の和:2778

約数の個数: 64

約数和(自身を含む): 371865600

約数和(自身を除く): 215150680

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 47, 62, 94, 124, 155, 188, 235, 248, 310, 376, 470, 620, 940, 1240, 1457, 1880, 2689, 2914, 5378, 5828, 7285, 10756, 11656, 13445, 14570, 21512, 26890, 29140, 53780, 58280, 83359, 107560, 126383, 166718, 252766, 333436, 416795, 505532, 631915, 666872, 833590, 1011064, 1263830, 1667180, 2527660, 3334360, 3917873, 5055320, 7835746, 15671492, 19589365, 31342984, 39178730, 78357460, 156714920]

約数ペア:

[(1, 156714920), (2, 78357460), (4, 39178730), (5, 31342984), (8, 19589365), (10, 15671492), (20, 7835746), (31, 5055320), (40, 3917873), (47, 3334360), (62, 2527660), (94, 1667180), (124, 1263830), (155, 1011064), (188, 833590), (235, 666872), (248, 631915), (310, 505532), (376, 416795), (470, 333436), (620, 252766), (940, 166718), (1240, 126383), (1457, 107560), (1880, 83359), (2689, 58280), (2914, 53780), (5378, 29140), (5828, 26890), (7285, 21512), (10756, 14570), (11656, 13445)]