1978797480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{10061}}^1$

素因数の和:10235

約数の個数: 128

約数和(自身を含む): 6520176000

約数和(自身を除く): 4541378520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 149, 165, 220, 264, 298, 330, 440, 447, 596, 660, 745, 894, 1192, 1320, 1490, 1639, 1788, 2235, 2980, 3278, 3576, 4470, 4917, 5960, 6556, 8195, 8940, 9834, 10061, 13112, 16390, 17880, 19668, 20122, 24585, 30183, 32780, 39336, 40244, 49170, 50305, 60366, 65560, 80488, 98340, 100610, 110671, 120732, 150915, 196680, 201220, 221342, 241464, 301830, 332013, 402440, 442684, 553355, 603660, 664026, 885368, 1106710, 1207320, 1328052, 1499089, 1660065, 2213420, 2656104, 2998178, 3320130, 4426840, 4497267, 5996356, 6640260, 7495445, 8994534, 11992712, 13280520, 14990890, 16489979, 17989068, 22486335, 29981780, 32979958, 35978136, 44972670, 49469937, 59963560, 65959916, 82449895, 89945340, 98939874, 131919832, 164899790, 179890680, 197879748, 247349685, 329799580, 395759496, 494699370, 659599160, 989398740, 1978797480]

約数ペア:

[(1, 1978797480), (2, 989398740), (3, 659599160), (4, 494699370), (5, 395759496), (6, 329799580), (8, 247349685), (10, 197879748), (11, 179890680), (12, 164899790), (15, 131919832), (20, 98939874), (22, 89945340), (24, 82449895), (30, 65959916), (33, 59963560), (40, 49469937), (44, 44972670), (55, 35978136), (60, 32979958), (66, 29981780), (88, 22486335), (110, 17989068), (120, 16489979), (132, 14990890), (149, 13280520), (165, 11992712), (220, 8994534), (264, 7495445), (298, 6640260), (330, 5996356), (440, 4497267), (447, 4426840), (596, 3320130), (660, 2998178), (745, 2656104), (894, 2213420), (1192, 1660065), (1320, 1499089), (1490, 1328052), (1639, 1207320), (1788, 1106710), (2235, 885368), (2980, 664026), (3278, 603660), (3576, 553355), (4470, 442684), (4917, 402440), (5960, 332013), (6556, 301830), (8195, 241464), (8940, 221342), (9834, 201220), (10061, 196680), (13112, 150915), (16390, 120732), (17880, 110671), (19668, 100610), (20122, 98340), (24585, 80488), (30183, 65560), (32780, 60366), (39336, 50305), (40244, 49170)]