121881480

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{373}}^1\times {\mathrm{389}}^1$

素因数の和:783

約数の個数: 128

約数和(自身を含む): 420076800

約数和(自身を除く): 298195320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 373, 389, 420, 746, 778, 840, 1119, 1167, 1492, 1556, 1865, 1945, 2238, 2334, 2611, 2723, 2984, 3112, 3730, 3890, 4476, 4668, 5222, 5446, 5595, 5835, 7460, 7780, 7833, 8169, 8952, 9336, 10444, 10892, 11190, 11670, 13055, 13615, 14920, 15560, 15666, 16338, 20888, 21784, 22380, 23340, 26110, 27230, 31332, 32676, 39165, 40845, 44760, 46680, 52220, 54460, 62664, 65352, 78330, 81690, 104440, 108920, 145097, 156660, 163380, 290194, 313320, 326760, 435291, 580388, 725485, 870582, 1015679, 1160776, 1450970, 1741164, 2031358, 2176455, 2901940, 3047037, 3482328, 4062716, 4352910, 5078395, 5803880, 6094074, 8125432, 8705820, 10156790, 12188148, 15235185, 17411640, 20313580, 24376296, 30470370, 40627160, 60940740, 121881480]

約数ペア:

[(1, 121881480), (2, 60940740), (3, 40627160), (4, 30470370), (5, 24376296), (6, 20313580), (7, 17411640), (8, 15235185), (10, 12188148), (12, 10156790), (14, 8705820), (15, 8125432), (20, 6094074), (21, 5803880), (24, 5078395), (28, 4352910), (30, 4062716), (35, 3482328), (40, 3047037), (42, 2901940), (56, 2176455), (60, 2031358), (70, 1741164), (84, 1450970), (105, 1160776), (120, 1015679), (140, 870582), (168, 725485), (210, 580388), (280, 435291), (373, 326760), (389, 313320), (420, 290194), (746, 163380), (778, 156660), (840, 145097), (1119, 108920), (1167, 104440), (1492, 81690), (1556, 78330), (1865, 65352), (1945, 62664), (2238, 54460), (2334, 52220), (2611, 46680), (2723, 44760), (2984, 40845), (3112, 39165), (3730, 32676), (3890, 31332), (4476, 27230), (4668, 26110), (5222, 23340), (5446, 22380), (5595, 21784), (5835, 20888), (7460, 16338), (7780, 15666), (7833, 15560), (8169, 14920), (8952, 13615), (9336, 13055), (10444, 11670), (10892, 11190)]