781948080

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{120671}}^1$

素因数の和:120696

約数の個数: 100

約数和(自身を含む): 2715844032

約数和(自身を除く): 1933895952

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 270, 324, 360, 405, 432, 540, 648, 720, 810, 1080, 1296, 1620, 2160, 3240, 6480, 120671, 241342, 362013, 482684, 603355, 724026, 965368, 1086039, 1206710, 1448052, 1810065, 1930736, 2172078, 2413420, 2896104, 3258117, 3620130, 4344156, 4826840, 5430195, 5792208, 6516234, 7240260, 8688312, 9653680, 9774351, 10860390, 13032468, 14480520, 16290585, 17376624, 19548702, 21720780, 26064936, 28961040, 32581170, 39097404, 43441560, 48871755, 52129872, 65162340, 78194808, 86883120, 97743510, 130324680, 156389616, 195487020, 260649360, 390974040, 781948080]

約数ペア:

[(1, 781948080), (2, 390974040), (3, 260649360), (4, 195487020), (5, 156389616), (6, 130324680), (8, 97743510), (9, 86883120), (10, 78194808), (12, 65162340), (15, 52129872), (16, 48871755), (18, 43441560), (20, 39097404), (24, 32581170), (27, 28961040), (30, 26064936), (36, 21720780), (40, 19548702), (45, 17376624), (48, 16290585), (54, 14480520), (60, 13032468), (72, 10860390), (80, 9774351), (81, 9653680), (90, 8688312), (108, 7240260), (120, 6516234), (135, 5792208), (144, 5430195), (162, 4826840), (180, 4344156), (216, 3620130), (240, 3258117), (270, 2896104), (324, 2413420), (360, 2172078), (405, 1930736), (432, 1810065), (540, 1448052), (648, 1206710), (720, 1086039), (810, 965368), (1080, 724026), (1296, 603355), (1620, 482684), (2160, 362013), (3240, 241342), (6480, 120671)]