120999900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{367}}^1$

素因数の和:548

約数の個数: 144

約数和(自身を含む): 403751936

約数和(自身を除く): 282752036

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 157, 175, 210, 300, 314, 350, 367, 420, 471, 525, 628, 700, 734, 785, 942, 1050, 1099, 1101, 1468, 1570, 1835, 1884, 2100, 2198, 2202, 2355, 2569, 3140, 3297, 3670, 3925, 4396, 4404, 4710, 5138, 5495, 5505, 6594, 7340, 7707, 7850, 9175, 9420, 10276, 10990, 11010, 11775, 12845, 13188, 15414, 15700, 16485, 18350, 21980, 22020, 23550, 25690, 27475, 27525, 30828, 32970, 36700, 38535, 47100, 51380, 54950, 55050, 57619, 64225, 65940, 77070, 82425, 109900, 110100, 115238, 128450, 154140, 164850, 172857, 192675, 230476, 256900, 288095, 329700, 345714, 385350, 403333, 576190, 691428, 770700, 806666, 864285, 1152380, 1209999, 1440475, 1613332, 1728570, 2016665, 2419998, 2880950, 3457140, 4033330, 4321425, 4839996, 5761900, 6049995, 8066660, 8642850, 10083325, 12099990, 17285700, 20166650, 24199980, 30249975, 40333300, 60499950, 120999900]

約数ペア:

[(1, 120999900), (2, 60499950), (3, 40333300), (4, 30249975), (5, 24199980), (6, 20166650), (7, 17285700), (10, 12099990), (12, 10083325), (14, 8642850), (15, 8066660), (20, 6049995), (21, 5761900), (25, 4839996), (28, 4321425), (30, 4033330), (35, 3457140), (42, 2880950), (50, 2419998), (60, 2016665), (70, 1728570), (75, 1613332), (84, 1440475), (100, 1209999), (105, 1152380), (140, 864285), (150, 806666), (157, 770700), (175, 691428), (210, 576190), (300, 403333), (314, 385350), (350, 345714), (367, 329700), (420, 288095), (471, 256900), (525, 230476), (628, 192675), (700, 172857), (734, 164850), (785, 154140), (942, 128450), (1050, 115238), (1099, 110100), (1101, 109900), (1468, 82425), (1570, 77070), (1835, 65940), (1884, 64225), (2100, 57619), (2198, 55050), (2202, 54950), (2355, 51380), (2569, 47100), (3140, 38535), (3297, 36700), (3670, 32970), (3925, 30828), (4396, 27525), (4404, 27475), (4710, 25690), (5138, 23550), (5495, 22020), (5505, 21980), (6594, 18350), (7340, 16485), (7707, 15700), (7850, 15414), (9175, 13188), (9420, 12845), (10276, 11775), (10990, 11010)]