164399940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{349}}^1\times {\mathrm{2617}}^1$

素因数の和:2981

約数の個数: 72

約数和(自身を含む): 500299800

約数和(自身を除く): 335899860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 349, 698, 1047, 1396, 1745, 2094, 2617, 3141, 3490, 4188, 5234, 5235, 6282, 6980, 7851, 10468, 10470, 12564, 13085, 15702, 15705, 20940, 23553, 26170, 31404, 31410, 39255, 47106, 52340, 62820, 78510, 94212, 117765, 157020, 235530, 471060, 913333, 1826666, 2739999, 3653332, 4566665, 5479998, 8219997, 9133330, 10959996, 13699995, 16439994, 18266660, 27399990, 32879988, 41099985, 54799980, 82199970, 164399940]

約数ペア:

[(1, 164399940), (2, 82199970), (3, 54799980), (4, 41099985), (5, 32879988), (6, 27399990), (9, 18266660), (10, 16439994), (12, 13699995), (15, 10959996), (18, 9133330), (20, 8219997), (30, 5479998), (36, 4566665), (45, 3653332), (60, 2739999), (90, 1826666), (180, 913333), (349, 471060), (698, 235530), (1047, 157020), (1396, 117765), (1745, 94212), (2094, 78510), (2617, 62820), (3141, 52340), (3490, 47106), (4188, 39255), (5234, 31410), (5235, 31404), (6282, 26170), (6980, 23553), (7851, 20940), (10468, 15705), (10470, 15702), (12564, 13085)]