445695680

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{251}}^1$

素因数の和:478

約数の個数: 112

約数和(自身を含む): 1106058240

約数和(自身を除く): 660362560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 179, 248, 251, 310, 320, 358, 496, 502, 620, 716, 895, 992, 1004, 1240, 1255, 1432, 1790, 1984, 2008, 2480, 2510, 2864, 3580, 4016, 4960, 5020, 5549, 5728, 7160, 7781, 8032, 9920, 10040, 11098, 11456, 14320, 15562, 16064, 20080, 22196, 27745, 28640, 31124, 38905, 40160, 44392, 44929, 55490, 57280, 62248, 77810, 80320, 88784, 89858, 110980, 124496, 155620, 177568, 179716, 221960, 224645, 248992, 311240, 355136, 359432, 443920, 449290, 497984, 622480, 718864, 887840, 898580, 1244960, 1392799, 1437728, 1775680, 1797160, 2489920, 2785598, 2875456, 3594320, 5571196, 6963995, 7188640, 11142392, 13927990, 14377280, 22284784, 27855980, 44569568, 55711960, 89139136, 111423920, 222847840, 445695680]

約数ペア:

[(1, 445695680), (2, 222847840), (4, 111423920), (5, 89139136), (8, 55711960), (10, 44569568), (16, 27855980), (20, 22284784), (31, 14377280), (32, 13927990), (40, 11142392), (62, 7188640), (64, 6963995), (80, 5571196), (124, 3594320), (155, 2875456), (160, 2785598), (179, 2489920), (248, 1797160), (251, 1775680), (310, 1437728), (320, 1392799), (358, 1244960), (496, 898580), (502, 887840), (620, 718864), (716, 622480), (895, 497984), (992, 449290), (1004, 443920), (1240, 359432), (1255, 355136), (1432, 311240), (1790, 248992), (1984, 224645), (2008, 221960), (2480, 179716), (2510, 177568), (2864, 155620), (3580, 124496), (4016, 110980), (4960, 89858), (5020, 88784), (5549, 80320), (5728, 77810), (7160, 62248), (7781, 57280), (8032, 55490), (9920, 44929), (10040, 44392), (11098, 40160), (11456, 38905), (14320, 31124), (15562, 28640), (16064, 27745), (20080, 22196)]