11541920

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1$

素因数の和:238

約数の個数: 96

約数和(自身を含む): 30481920

約数和(自身を除く): 18940000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 65, 80, 104, 124, 130, 155, 160, 179, 208, 248, 260, 310, 358, 403, 416, 496, 520, 620, 716, 806, 895, 992, 1040, 1240, 1432, 1612, 1790, 2015, 2080, 2327, 2480, 2864, 3224, 3580, 4030, 4654, 4960, 5549, 5728, 6448, 7160, 8060, 9308, 11098, 11635, 12896, 14320, 16120, 18616, 22196, 23270, 27745, 28640, 32240, 37232, 44392, 46540, 55490, 64480, 72137, 74464, 88784, 93080, 110980, 144274, 177568, 186160, 221960, 288548, 360685, 372320, 443920, 577096, 721370, 887840, 1154192, 1442740, 2308384, 2885480, 5770960, 11541920]

約数ペア:

[(1, 11541920), (2, 5770960), (4, 2885480), (5, 2308384), (8, 1442740), (10, 1154192), (13, 887840), (16, 721370), (20, 577096), (26, 443920), (31, 372320), (32, 360685), (40, 288548), (52, 221960), (62, 186160), (65, 177568), (80, 144274), (104, 110980), (124, 93080), (130, 88784), (155, 74464), (160, 72137), (179, 64480), (208, 55490), (248, 46540), (260, 44392), (310, 37232), (358, 32240), (403, 28640), (416, 27745), (496, 23270), (520, 22196), (620, 18616), (716, 16120), (806, 14320), (895, 12896), (992, 11635), (1040, 11098), (1240, 9308), (1432, 8060), (1612, 7160), (1790, 6448), (2015, 5728), (2080, 5549), (2327, 4960), (2480, 4654), (2864, 4030), (3224, 3580)]