1304642640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{110939}}^1$

素因数の和:110969

約数の個数: 120

約数和(自身を含む): 4704743520

約数和(自身を除く): 3400100880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 392, 420, 490, 560, 588, 735, 784, 840, 980, 1176, 1470, 1680, 1960, 2352, 2940, 3920, 5880, 11760, 110939, 221878, 332817, 443756, 554695, 665634, 776573, 887512, 1109390, 1331268, 1553146, 1664085, 1775024, 2218780, 2329719, 2662536, 3106292, 3328170, 3882865, 4437560, 4659438, 5325072, 5436011, 6212584, 6656340, 7765730, 8875120, 9318876, 10872022, 11648595, 12425168, 13312680, 15531460, 16308033, 18637752, 21744044, 23297190, 26625360, 27180055, 31062920, 32616066, 37275504, 43488088, 46594380, 54360110, 62125840, 65232132, 81540165, 86976176, 93188760, 108720220, 130464264, 163080330, 186377520, 217440440, 260928528, 326160660, 434880880, 652321320, 1304642640]

約数ペア:

[(1, 1304642640), (2, 652321320), (3, 434880880), (4, 326160660), (5, 260928528), (6, 217440440), (7, 186377520), (8, 163080330), (10, 130464264), (12, 108720220), (14, 93188760), (15, 86976176), (16, 81540165), (20, 65232132), (21, 62125840), (24, 54360110), (28, 46594380), (30, 43488088), (35, 37275504), (40, 32616066), (42, 31062920), (48, 27180055), (49, 26625360), (56, 23297190), (60, 21744044), (70, 18637752), (80, 16308033), (84, 15531460), (98, 13312680), (105, 12425168), (112, 11648595), (120, 10872022), (140, 9318876), (147, 8875120), (168, 7765730), (196, 6656340), (210, 6212584), (240, 5436011), (245, 5325072), (280, 4659438), (294, 4437560), (336, 3882865), (392, 3328170), (420, 3106292), (490, 2662536), (560, 2329719), (588, 2218780), (735, 1775024), (784, 1664085), (840, 1553146), (980, 1331268), (1176, 1109390), (1470, 887512), (1680, 776573), (1960, 665634), (2352, 554695), (2940, 443756), (3920, 332817), (5880, 221878), (11760, 110939)]