72899120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{373}}^1$

素因数の和:742

約数の個数: 80

約数和(自身を含む): 194779200

約数和(自身を除く): 121880080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 349, 373, 560, 698, 746, 1396, 1492, 1745, 1865, 2443, 2611, 2792, 2984, 3490, 3730, 4886, 5222, 5584, 5968, 6980, 7460, 9772, 10444, 12215, 13055, 13960, 14920, 19544, 20888, 24430, 26110, 27920, 29840, 39088, 41776, 48860, 52220, 97720, 104440, 130177, 195440, 208880, 260354, 520708, 650885, 911239, 1041416, 1301770, 1822478, 2082832, 2603540, 3644956, 4556195, 5207080, 7289912, 9112390, 10414160, 14579824, 18224780, 36449560, 72899120]

約数ペア:

[(1, 72899120), (2, 36449560), (4, 18224780), (5, 14579824), (7, 10414160), (8, 9112390), (10, 7289912), (14, 5207080), (16, 4556195), (20, 3644956), (28, 2603540), (35, 2082832), (40, 1822478), (56, 1301770), (70, 1041416), (80, 911239), (112, 650885), (140, 520708), (280, 260354), (349, 208880), (373, 195440), (560, 130177), (698, 104440), (746, 97720), (1396, 52220), (1492, 48860), (1745, 41776), (1865, 39088), (2443, 29840), (2611, 27920), (2792, 26110), (2984, 24430), (3490, 20888), (3730, 19544), (4886, 14920), (5222, 13960), (5584, 13055), (5968, 12215), (6980, 10444), (7460, 9772)]