2442440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1$

素因数の和:103

約数の個数: 128

約数和(自身を含む): 7499520

約数和(自身を除く): 5057080

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 20, 22, 26, 28, 35, 40, 44, 52, 55, 56, 61, 65, 70, 77, 88, 91, 104, 110, 122, 130, 140, 143, 154, 182, 220, 244, 260, 280, 286, 305, 308, 364, 385, 427, 440, 455, 488, 520, 572, 610, 616, 671, 715, 728, 770, 793, 854, 910, 1001, 1144, 1220, 1342, 1430, 1540, 1586, 1708, 1820, 2002, 2135, 2440, 2684, 2860, 3080, 3172, 3355, 3416, 3640, 3965, 4004, 4270, 4697, 5005, 5368, 5551, 5720, 6344, 6710, 7930, 8008, 8540, 8723, 9394, 10010, 11102, 13420, 15860, 17080, 17446, 18788, 20020, 22204, 23485, 26840, 27755, 31720, 34892, 37576, 40040, 43615, 44408, 46970, 55510, 61061, 69784, 87230, 93940, 111020, 122122, 174460, 187880, 222040, 244244, 305305, 348920, 488488, 610610, 1221220, 2442440]

約数ペア:

[(1, 2442440), (2, 1221220), (4, 610610), (5, 488488), (7, 348920), (8, 305305), (10, 244244), (11, 222040), (13, 187880), (14, 174460), (20, 122122), (22, 111020), (26, 93940), (28, 87230), (35, 69784), (40, 61061), (44, 55510), (52, 46970), (55, 44408), (56, 43615), (61, 40040), (65, 37576), (70, 34892), (77, 31720), (88, 27755), (91, 26840), (104, 23485), (110, 22204), (122, 20020), (130, 18788), (140, 17446), (143, 17080), (154, 15860), (182, 13420), (220, 11102), (244, 10010), (260, 9394), (280, 8723), (286, 8540), (305, 8008), (308, 7930), (364, 6710), (385, 6344), (427, 5720), (440, 5551), (455, 5368), (488, 5005), (520, 4697), (572, 4270), (610, 4004), (616, 3965), (671, 3640), (715, 3416), (728, 3355), (770, 3172), (793, 3080), (854, 2860), (910, 2684), (1001, 2440), (1144, 2135), (1220, 2002), (1342, 1820), (1430, 1708), (1540, 1586)]