15690230440

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{61223}}^1$

素因数の和:61426

約数の個数: 64

約数和(自身を含む): 36367056000

約数和(自身を除く): 20676825560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 149, 172, 215, 298, 344, 430, 596, 745, 860, 1192, 1490, 1720, 2980, 5960, 6407, 12814, 25628, 32035, 51256, 61223, 64070, 122446, 128140, 244892, 256280, 306115, 489784, 612230, 1224460, 2448920, 2632589, 5265178, 9122227, 10530356, 13162945, 18244454, 21060712, 26325890, 36488908, 45611135, 52651780, 72977816, 91222270, 105303560, 182444540, 364889080, 392255761, 784511522, 1569023044, 1961278805, 3138046088, 3922557610, 7845115220, 15690230440]

約数ペア:

[(1, 15690230440), (2, 7845115220), (4, 3922557610), (5, 3138046088), (8, 1961278805), (10, 1569023044), (20, 784511522), (40, 392255761), (43, 364889080), (86, 182444540), (149, 105303560), (172, 91222270), (215, 72977816), (298, 52651780), (344, 45611135), (430, 36488908), (596, 26325890), (745, 21060712), (860, 18244454), (1192, 13162945), (1490, 10530356), (1720, 9122227), (2980, 5265178), (5960, 2632589), (6407, 2448920), (12814, 1224460), (25628, 612230), (32035, 489784), (51256, 306115), (61223, 256280), (64070, 244892), (122446, 128140)]