1226440040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{1213}}^1$

素因数の和:1411

約数の個数: 128

約数和(自身を含む): 3314511360

約数和(自身を除く): 2088071320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 157, 161, 184, 230, 280, 314, 322, 460, 628, 644, 785, 805, 920, 1099, 1213, 1256, 1288, 1570, 1610, 2198, 2426, 3140, 3220, 3611, 4396, 4852, 5495, 6065, 6280, 6440, 7222, 8491, 8792, 9704, 10990, 12130, 14444, 16982, 18055, 21980, 24260, 25277, 27899, 28888, 33964, 36110, 42455, 43960, 48520, 50554, 55798, 67928, 72220, 84910, 101108, 111596, 126385, 139495, 144440, 169820, 190441, 195293, 202216, 223192, 252770, 278990, 339640, 380882, 390586, 505540, 557980, 761764, 781172, 952205, 976465, 1011080, 1115960, 1333087, 1523528, 1562344, 1904410, 1952930, 2666174, 3808820, 3905860, 4380143, 5332348, 6665435, 7617640, 7811720, 8760286, 10664696, 13330870, 17520572, 21900715, 26661740, 30661001, 35041144, 43801430, 53323480, 61322002, 87602860, 122644004, 153305005, 175205720, 245288008, 306610010, 613220020, 1226440040]

約数ペア:

[(1, 1226440040), (2, 613220020), (4, 306610010), (5, 245288008), (7, 175205720), (8, 153305005), (10, 122644004), (14, 87602860), (20, 61322002), (23, 53323480), (28, 43801430), (35, 35041144), (40, 30661001), (46, 26661740), (56, 21900715), (70, 17520572), (92, 13330870), (115, 10664696), (140, 8760286), (157, 7811720), (161, 7617640), (184, 6665435), (230, 5332348), (280, 4380143), (314, 3905860), (322, 3808820), (460, 2666174), (628, 1952930), (644, 1904410), (785, 1562344), (805, 1523528), (920, 1333087), (1099, 1115960), (1213, 1011080), (1256, 976465), (1288, 952205), (1570, 781172), (1610, 761764), (2198, 557980), (2426, 505540), (3140, 390586), (3220, 380882), (3611, 339640), (4396, 278990), (4852, 252770), (5495, 223192), (6065, 202216), (6280, 195293), (6440, 190441), (7222, 169820), (8491, 144440), (8792, 139495), (9704, 126385), (10990, 111596), (12130, 101108), (14444, 84910), (16982, 72220), (18055, 67928), (21980, 55798), (24260, 50554), (25277, 48520), (27899, 43960), (28888, 42455), (33964, 36110)]