1553720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1$

素因数の和:228

約数の個数: 64

約数和(自身を含む): 4147200

約数和(自身を除く): 2593480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 179, 217, 248, 280, 310, 358, 434, 620, 716, 868, 895, 1085, 1240, 1253, 1432, 1736, 1790, 2170, 2506, 3580, 4340, 5012, 5549, 6265, 7160, 8680, 10024, 11098, 12530, 22196, 25060, 27745, 38843, 44392, 50120, 55490, 77686, 110980, 155372, 194215, 221960, 310744, 388430, 776860, 1553720]

約数ペア:

[(1, 1553720), (2, 776860), (4, 388430), (5, 310744), (7, 221960), (8, 194215), (10, 155372), (14, 110980), (20, 77686), (28, 55490), (31, 50120), (35, 44392), (40, 38843), (56, 27745), (62, 25060), (70, 22196), (124, 12530), (140, 11098), (155, 10024), (179, 8680), (217, 7160), (248, 6265), (280, 5549), (310, 5012), (358, 4340), (434, 3580), (620, 2506), (716, 2170), (868, 1790), (895, 1736), (1085, 1432), (1240, 1253)]