17976280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:177

約数の個数: 128

約数和(自身を含む): 50688000

約数和(自身を除く): 32711720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 31, 35, 38, 40, 56, 62, 70, 76, 95, 109, 124, 133, 140, 152, 155, 190, 217, 218, 248, 266, 280, 310, 380, 434, 436, 532, 545, 589, 620, 665, 760, 763, 868, 872, 1064, 1085, 1090, 1178, 1240, 1330, 1526, 1736, 2071, 2170, 2180, 2356, 2660, 2945, 3052, 3379, 3815, 4123, 4142, 4340, 4360, 4712, 5320, 5890, 6104, 6758, 7630, 8246, 8284, 8680, 10355, 11780, 13516, 14497, 15260, 16492, 16568, 16895, 20615, 20710, 23560, 23653, 27032, 28994, 30520, 32984, 33790, 41230, 41420, 47306, 57988, 64201, 67580, 72485, 82460, 82840, 94612, 115976, 118265, 128402, 135160, 144970, 164920, 189224, 236530, 256804, 289940, 321005, 449407, 473060, 513608, 579880, 642010, 898814, 946120, 1284020, 1797628, 2247035, 2568040, 3595256, 4494070, 8988140, 17976280]

約数ペア:

[(1, 17976280), (2, 8988140), (4, 4494070), (5, 3595256), (7, 2568040), (8, 2247035), (10, 1797628), (14, 1284020), (19, 946120), (20, 898814), (28, 642010), (31, 579880), (35, 513608), (38, 473060), (40, 449407), (56, 321005), (62, 289940), (70, 256804), (76, 236530), (95, 189224), (109, 164920), (124, 144970), (133, 135160), (140, 128402), (152, 118265), (155, 115976), (190, 94612), (217, 82840), (218, 82460), (248, 72485), (266, 67580), (280, 64201), (310, 57988), (380, 47306), (434, 41420), (436, 41230), (532, 33790), (545, 32984), (589, 30520), (620, 28994), (665, 27032), (760, 23653), (763, 23560), (868, 20710), (872, 20615), (1064, 16895), (1085, 16568), (1090, 16492), (1178, 15260), (1240, 14497), (1330, 13516), (1526, 11780), (1736, 10355), (2071, 8680), (2170, 8284), (2180, 8246), (2356, 7630), (2660, 6758), (2945, 6104), (3052, 5890), (3379, 5320), (3815, 4712), (4123, 4360), (4142, 4340)]