208160520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{271}}^1$

素因数の和:495

約数の個数: 128

約数和(自身を含む): 647447040

約数和(自身を除く): 439286520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 74, 111, 120, 148, 173, 185, 222, 271, 296, 346, 370, 444, 519, 542, 555, 692, 740, 813, 865, 888, 1038, 1084, 1110, 1355, 1384, 1480, 1626, 1730, 2076, 2168, 2220, 2595, 2710, 3252, 3460, 4065, 4152, 4440, 5190, 5420, 6401, 6504, 6920, 8130, 10027, 10380, 10840, 12802, 16260, 19203, 20054, 20760, 25604, 30081, 32005, 32520, 38406, 40108, 46883, 50135, 51208, 60162, 64010, 76812, 80216, 93766, 96015, 100270, 120324, 128020, 140649, 150405, 153624, 187532, 192030, 200540, 234415, 240648, 256040, 281298, 300810, 375064, 384060, 401080, 468830, 562596, 601620, 703245, 768120, 937660, 1125192, 1203240, 1406490, 1734671, 1875320, 2812980, 3469342, 5204013, 5625960, 6938684, 8673355, 10408026, 13877368, 17346710, 20816052, 26020065, 34693420, 41632104, 52040130, 69386840, 104080260, 208160520]

約数ペア:

[(1, 208160520), (2, 104080260), (3, 69386840), (4, 52040130), (5, 41632104), (6, 34693420), (8, 26020065), (10, 20816052), (12, 17346710), (15, 13877368), (20, 10408026), (24, 8673355), (30, 6938684), (37, 5625960), (40, 5204013), (60, 3469342), (74, 2812980), (111, 1875320), (120, 1734671), (148, 1406490), (173, 1203240), (185, 1125192), (222, 937660), (271, 768120), (296, 703245), (346, 601620), (370, 562596), (444, 468830), (519, 401080), (542, 384060), (555, 375064), (692, 300810), (740, 281298), (813, 256040), (865, 240648), (888, 234415), (1038, 200540), (1084, 192030), (1110, 187532), (1355, 153624), (1384, 150405), (1480, 140649), (1626, 128020), (1730, 120324), (2076, 100270), (2168, 96015), (2220, 93766), (2595, 80216), (2710, 76812), (3252, 64010), (3460, 60162), (4065, 51208), (4152, 50135), (4440, 46883), (5190, 40108), (5420, 38406), (6401, 32520), (6504, 32005), (6920, 30081), (8130, 25604), (10027, 20760), (10380, 20054), (10840, 19203), (12802, 16260)]