1289820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1$

素因数の和:139

約数の個数: 96

約数和(自身を含む): 4290048

約数和(自身を除く): 3000228

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 37, 42, 60, 70, 74, 83, 84, 105, 111, 140, 148, 166, 185, 210, 222, 249, 259, 332, 370, 415, 420, 444, 498, 518, 555, 581, 740, 777, 830, 996, 1036, 1110, 1162, 1245, 1295, 1554, 1660, 1743, 2220, 2324, 2490, 2590, 2905, 3071, 3108, 3486, 3885, 4980, 5180, 5810, 6142, 6972, 7770, 8715, 9213, 11620, 12284, 15355, 15540, 17430, 18426, 21497, 30710, 34860, 36852, 42994, 46065, 61420, 64491, 85988, 92130, 107485, 128982, 184260, 214970, 257964, 322455, 429940, 644910, 1289820]

約数ペア:

[(1, 1289820), (2, 644910), (3, 429940), (4, 322455), (5, 257964), (6, 214970), (7, 184260), (10, 128982), (12, 107485), (14, 92130), (15, 85988), (20, 64491), (21, 61420), (28, 46065), (30, 42994), (35, 36852), (37, 34860), (42, 30710), (60, 21497), (70, 18426), (74, 17430), (83, 15540), (84, 15355), (105, 12284), (111, 11620), (140, 9213), (148, 8715), (166, 7770), (185, 6972), (210, 6142), (222, 5810), (249, 5180), (259, 4980), (332, 3885), (370, 3486), (415, 3108), (420, 3071), (444, 2905), (498, 2590), (518, 2490), (555, 2324), (581, 2220), (740, 1743), (777, 1660), (830, 1554), (996, 1295), (1036, 1245), (1110, 1162)]