205753080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131893}}^1$

素因数の和:131920

約数の個数: 64

約数和(自身を含む): 664745760

約数和(自身を除く): 458992680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 131893, 263786, 395679, 527572, 659465, 791358, 1055144, 1318930, 1582716, 1714609, 1978395, 2637860, 3165432, 3429218, 3956790, 5143827, 5275720, 6858436, 7913580, 8573045, 10287654, 13716872, 15827160, 17146090, 20575308, 25719135, 34292180, 41150616, 51438270, 68584360, 102876540, 205753080]

約数ペア:

[(1, 205753080), (2, 102876540), (3, 68584360), (4, 51438270), (5, 41150616), (6, 34292180), (8, 25719135), (10, 20575308), (12, 17146090), (13, 15827160), (15, 13716872), (20, 10287654), (24, 8573045), (26, 7913580), (30, 6858436), (39, 5275720), (40, 5143827), (52, 3956790), (60, 3429218), (65, 3165432), (78, 2637860), (104, 1978395), (120, 1714609), (130, 1582716), (156, 1318930), (195, 1055144), (260, 791358), (312, 659465), (390, 527572), (520, 395679), (780, 263786), (1560, 131893)]