42751720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^4\times {\mathrm{73}}^1$

素因数の和:128

約数の個数: 80

約数和(自身を含む): 107259300

約数和(自身を除く): 64507580

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 73, 88, 110, 121, 146, 220, 242, 292, 365, 440, 484, 584, 605, 730, 803, 968, 1210, 1331, 1460, 1606, 2420, 2662, 2920, 3212, 4015, 4840, 5324, 6424, 6655, 8030, 8833, 10648, 13310, 14641, 16060, 17666, 26620, 29282, 32120, 35332, 44165, 53240, 58564, 70664, 73205, 88330, 97163, 117128, 146410, 176660, 194326, 292820, 353320, 388652, 485815, 585640, 777304, 971630, 1068793, 1943260, 2137586, 3886520, 4275172, 5343965, 8550344, 10687930, 21375860, 42751720]

約数ペア:

[(1, 42751720), (2, 21375860), (4, 10687930), (5, 8550344), (8, 5343965), (10, 4275172), (11, 3886520), (20, 2137586), (22, 1943260), (40, 1068793), (44, 971630), (55, 777304), (73, 585640), (88, 485815), (110, 388652), (121, 353320), (146, 292820), (220, 194326), (242, 176660), (292, 146410), (365, 117128), (440, 97163), (484, 88330), (584, 73205), (605, 70664), (730, 58564), (803, 53240), (968, 44165), (1210, 35332), (1331, 32120), (1460, 29282), (1606, 26620), (2420, 17666), (2662, 16060), (2920, 14641), (3212, 13310), (4015, 10648), (4840, 8833), (5324, 8030), (6424, 6655)]