72420040

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{3359}}^1$

素因数の和:3395

約数の個数: 96

約数和(自身を含む): 206841600

約数和(自身を除く): 134421560

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 88, 98, 110, 140, 154, 196, 220, 245, 280, 308, 385, 392, 440, 490, 539, 616, 770, 980, 1078, 1540, 1960, 2156, 2695, 3080, 3359, 4312, 5390, 6718, 10780, 13436, 16795, 21560, 23513, 26872, 33590, 36949, 47026, 67180, 73898, 94052, 117565, 134360, 147796, 164591, 184745, 188104, 235130, 258643, 295592, 329182, 369490, 470260, 517286, 658364, 738980, 822955, 940520, 1034572, 1293215, 1316728, 1477960, 1645910, 1810501, 2069144, 2586430, 3291820, 3621002, 5172860, 6583640, 7242004, 9052505, 10345720, 14484008, 18105010, 36210020, 72420040]

約数ペア:

[(1, 72420040), (2, 36210020), (4, 18105010), (5, 14484008), (7, 10345720), (8, 9052505), (10, 7242004), (11, 6583640), (14, 5172860), (20, 3621002), (22, 3291820), (28, 2586430), (35, 2069144), (40, 1810501), (44, 1645910), (49, 1477960), (55, 1316728), (56, 1293215), (70, 1034572), (77, 940520), (88, 822955), (98, 738980), (110, 658364), (140, 517286), (154, 470260), (196, 369490), (220, 329182), (245, 295592), (280, 258643), (308, 235130), (385, 188104), (392, 184745), (440, 164591), (490, 147796), (539, 134360), (616, 117565), (770, 94052), (980, 73898), (1078, 67180), (1540, 47026), (1960, 36949), (2156, 33590), (2695, 26872), (3080, 23513), (3359, 21560), (4312, 16795), (5390, 13436), (6718, 10780)]