142172940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{2003}}^1$

素因数の和:2048

約数の個数: 144

約数和(自身を含む): 492887808

約数和(自身を除く): 350714868

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 169, 182, 195, 210, 260, 273, 338, 364, 390, 420, 455, 507, 546, 676, 780, 845, 910, 1014, 1092, 1183, 1365, 1690, 1820, 2003, 2028, 2366, 2535, 2730, 3380, 3549, 4006, 4732, 5070, 5460, 5915, 6009, 7098, 8012, 10015, 10140, 11830, 12018, 14021, 14196, 17745, 20030, 23660, 24036, 26039, 28042, 30045, 35490, 40060, 42063, 52078, 56084, 60090, 70105, 70980, 78117, 84126, 104156, 120180, 130195, 140210, 156234, 168252, 182273, 210315, 260390, 280420, 312468, 338507, 364546, 390585, 420630, 520780, 546819, 677014, 729092, 781170, 841260, 911365, 1015521, 1093638, 1354028, 1562340, 1692535, 1822730, 2031042, 2187276, 2369549, 2734095, 3385070, 3645460, 4062084, 4739098, 5077605, 5468190, 6770140, 7108647, 9478196, 10155210, 10936380, 11847745, 14217294, 20310420, 23695490, 28434588, 35543235, 47390980, 71086470, 142172940]

約数ペア:

[(1, 142172940), (2, 71086470), (3, 47390980), (4, 35543235), (5, 28434588), (6, 23695490), (7, 20310420), (10, 14217294), (12, 11847745), (13, 10936380), (14, 10155210), (15, 9478196), (20, 7108647), (21, 6770140), (26, 5468190), (28, 5077605), (30, 4739098), (35, 4062084), (39, 3645460), (42, 3385070), (52, 2734095), (60, 2369549), (65, 2187276), (70, 2031042), (78, 1822730), (84, 1692535), (91, 1562340), (105, 1354028), (130, 1093638), (140, 1015521), (156, 911365), (169, 841260), (182, 781170), (195, 729092), (210, 677014), (260, 546819), (273, 520780), (338, 420630), (364, 390585), (390, 364546), (420, 338507), (455, 312468), (507, 280420), (546, 260390), (676, 210315), (780, 182273), (845, 168252), (910, 156234), (1014, 140210), (1092, 130195), (1183, 120180), (1365, 104156), (1690, 84126), (1820, 78117), (2003, 70980), (2028, 70105), (2366, 60090), (2535, 56084), (2730, 52078), (3380, 42063), (3549, 40060), (4006, 35490), (4732, 30045), (5070, 28042), (5460, 26039), (5915, 24036), (6009, 23660), (7098, 20030), (8012, 17745), (10015, 14196), (10140, 14021), (11830, 12018)]