2601378640

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{21407}}^1$

素因数の和:21465

約数の個数: 120

約数和(自身を含む): 7262963712

約数和(自身を除く): 4661585072

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 49, 56, 62, 70, 80, 98, 112, 124, 140, 155, 196, 217, 245, 248, 280, 310, 392, 434, 490, 496, 560, 620, 784, 868, 980, 1085, 1240, 1519, 1736, 1960, 2170, 2480, 3038, 3472, 3920, 4340, 6076, 7595, 8680, 12152, 15190, 17360, 21407, 24304, 30380, 42814, 60760, 85628, 107035, 121520, 149849, 171256, 214070, 299698, 342512, 428140, 599396, 663617, 749245, 856280, 1048943, 1198792, 1327234, 1498490, 1712560, 2097886, 2397584, 2654468, 2996980, 3318085, 4195772, 4645319, 5244715, 5308936, 5993960, 6636170, 8391544, 9290638, 10489430, 10617872, 11987920, 13272340, 16783088, 18581276, 20978860, 23226595, 26544680, 32517233, 37162552, 41957720, 46453190, 53089360, 65034466, 74325104, 83915440, 92906380, 130068932, 162586165, 185812760, 260137864, 325172330, 371625520, 520275728, 650344660, 1300689320, 2601378640]

約数ペア:

[(1, 2601378640), (2, 1300689320), (4, 650344660), (5, 520275728), (7, 371625520), (8, 325172330), (10, 260137864), (14, 185812760), (16, 162586165), (20, 130068932), (28, 92906380), (31, 83915440), (35, 74325104), (40, 65034466), (49, 53089360), (56, 46453190), (62, 41957720), (70, 37162552), (80, 32517233), (98, 26544680), (112, 23226595), (124, 20978860), (140, 18581276), (155, 16783088), (196, 13272340), (217, 11987920), (245, 10617872), (248, 10489430), (280, 9290638), (310, 8391544), (392, 6636170), (434, 5993960), (490, 5308936), (496, 5244715), (560, 4645319), (620, 4195772), (784, 3318085), (868, 2996980), (980, 2654468), (1085, 2397584), (1240, 2097886), (1519, 1712560), (1736, 1498490), (1960, 1327234), (2170, 1198792), (2480, 1048943), (3038, 856280), (3472, 749245), (3920, 663617), (4340, 599396), (6076, 428140), (7595, 342512), (8680, 299698), (12152, 214070), (15190, 171256), (17360, 149849), (21407, 121520), (24304, 107035), (30380, 85628), (42814, 60760)]