27932240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1609}}^1$

素因数の和:1660

約数の個数: 80

約数和(自身を含む): 76661760

約数和(自身を除く): 48729520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1609, 1736, 2170, 2480, 3218, 3472, 4340, 6436, 8045, 8680, 11263, 12872, 16090, 17360, 22526, 25744, 32180, 45052, 49879, 56315, 64360, 90104, 99758, 112630, 128720, 180208, 199516, 225260, 249395, 349153, 399032, 450520, 498790, 698306, 798064, 901040, 997580, 1396612, 1745765, 1995160, 2793224, 3491530, 3990320, 5586448, 6983060, 13966120, 27932240]

約数ペア:

[(1, 27932240), (2, 13966120), (4, 6983060), (5, 5586448), (7, 3990320), (8, 3491530), (10, 2793224), (14, 1995160), (16, 1745765), (20, 1396612), (28, 997580), (31, 901040), (35, 798064), (40, 698306), (56, 498790), (62, 450520), (70, 399032), (80, 349153), (112, 249395), (124, 225260), (140, 199516), (155, 180208), (217, 128720), (248, 112630), (280, 99758), (310, 90104), (434, 64360), (496, 56315), (560, 49879), (620, 45052), (868, 32180), (1085, 25744), (1240, 22526), (1609, 17360), (1736, 16090), (2170, 12872), (2480, 11263), (3218, 8680), (3472, 8045), (4340, 6436)]