25704720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1879}}^1$

素因数の和:1917

約数の個数: 120

約数和(自身を含む): 90916800

約数和(自身を除く): 65212080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 114, 120, 144, 152, 171, 180, 190, 228, 240, 285, 304, 342, 360, 380, 456, 570, 684, 720, 760, 855, 912, 1140, 1368, 1520, 1710, 1879, 2280, 2736, 3420, 3758, 4560, 5637, 6840, 7516, 9395, 11274, 13680, 15032, 16911, 18790, 22548, 28185, 30064, 33822, 35701, 37580, 45096, 56370, 67644, 71402, 75160, 84555, 90192, 107103, 112740, 135288, 142804, 150320, 169110, 178505, 214206, 225480, 270576, 285608, 321309, 338220, 357010, 428412, 450960, 535515, 571216, 642618, 676440, 714020, 856824, 1071030, 1285236, 1352880, 1428040, 1606545, 1713648, 2142060, 2570472, 2856080, 3213090, 4284120, 5140944, 6426180, 8568240, 12852360, 25704720]

約数ペア:

[(1, 25704720), (2, 12852360), (3, 8568240), (4, 6426180), (5, 5140944), (6, 4284120), (8, 3213090), (9, 2856080), (10, 2570472), (12, 2142060), (15, 1713648), (16, 1606545), (18, 1428040), (19, 1352880), (20, 1285236), (24, 1071030), (30, 856824), (36, 714020), (38, 676440), (40, 642618), (45, 571216), (48, 535515), (57, 450960), (60, 428412), (72, 357010), (76, 338220), (80, 321309), (90, 285608), (95, 270576), (114, 225480), (120, 214206), (144, 178505), (152, 169110), (171, 150320), (180, 142804), (190, 135288), (228, 112740), (240, 107103), (285, 90192), (304, 84555), (342, 75160), (360, 71402), (380, 67644), (456, 56370), (570, 45096), (684, 37580), (720, 35701), (760, 33822), (855, 30064), (912, 28185), (1140, 22548), (1368, 18790), (1520, 16911), (1710, 15032), (1879, 13680), (2280, 11274), (2736, 9395), (3420, 7516), (3758, 6840), (4560, 5637)]