15671740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:227

約数の個数: 96

約数和(自身を含む): 40771584

約数和(自身を除く): 25099844

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 31, 35, 46, 62, 70, 92, 115, 124, 140, 155, 157, 161, 217, 230, 310, 314, 322, 434, 460, 620, 628, 644, 713, 785, 805, 868, 1085, 1099, 1426, 1570, 1610, 2170, 2198, 2852, 3140, 3220, 3565, 3611, 4340, 4396, 4867, 4991, 5495, 7130, 7222, 9734, 9982, 10990, 14260, 14444, 18055, 19468, 19964, 21980, 24335, 24955, 25277, 34069, 36110, 48670, 49910, 50554, 68138, 72220, 97340, 99820, 101108, 111941, 126385, 136276, 170345, 223882, 252770, 340690, 447764, 505540, 559705, 681380, 783587, 1119410, 1567174, 2238820, 3134348, 3917935, 7835870, 15671740]

約数ペア:

[(1, 15671740), (2, 7835870), (4, 3917935), (5, 3134348), (7, 2238820), (10, 1567174), (14, 1119410), (20, 783587), (23, 681380), (28, 559705), (31, 505540), (35, 447764), (46, 340690), (62, 252770), (70, 223882), (92, 170345), (115, 136276), (124, 126385), (140, 111941), (155, 101108), (157, 99820), (161, 97340), (217, 72220), (230, 68138), (310, 50554), (314, 49910), (322, 48670), (434, 36110), (460, 34069), (620, 25277), (628, 24955), (644, 24335), (713, 21980), (785, 19964), (805, 19468), (868, 18055), (1085, 14444), (1099, 14260), (1426, 10990), (1570, 9982), (1610, 9734), (2170, 7222), (2198, 7130), (2852, 5495), (3140, 4991), (3220, 4867), (3565, 4396), (3611, 4340)]