1288409640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{881}}^1\times {\mathrm{1741}}^1$

素因数の和:2643

約数の個数: 128

約数和(自身を含む): 4424958720

約数和(自身を除く): 3136549080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 881, 1741, 1762, 2643, 3482, 3524, 4405, 5223, 5286, 6167, 6964, 7048, 8705, 8810, 10446, 10572, 12187, 12334, 13215, 13928, 17410, 17620, 18501, 20892, 21144, 24374, 24668, 26115, 26430, 30835, 34820, 35240, 36561, 37002, 41784, 48748, 49336, 52230, 52860, 60935, 61670, 69640, 73122, 74004, 92505, 97496, 104460, 105720, 121870, 123340, 146244, 148008, 182805, 185010, 208920, 243740, 246680, 292488, 365610, 370020, 487480, 731220, 740040, 1462440, 1533821, 3067642, 4601463, 6135284, 7669105, 9202926, 10736747, 12270568, 15338210, 18405852, 21473494, 23007315, 30676420, 32210241, 36811704, 42946988, 46014630, 53683735, 61352840, 64420482, 85893976, 92029260, 107367470, 128840964, 161051205, 184058520, 214734940, 257681928, 322102410, 429469880, 644204820, 1288409640]

約数ペア:

[(1, 1288409640), (2, 644204820), (3, 429469880), (4, 322102410), (5, 257681928), (6, 214734940), (7, 184058520), (8, 161051205), (10, 128840964), (12, 107367470), (14, 92029260), (15, 85893976), (20, 64420482), (21, 61352840), (24, 53683735), (28, 46014630), (30, 42946988), (35, 36811704), (40, 32210241), (42, 30676420), (56, 23007315), (60, 21473494), (70, 18405852), (84, 15338210), (105, 12270568), (120, 10736747), (140, 9202926), (168, 7669105), (210, 6135284), (280, 4601463), (420, 3067642), (840, 1533821), (881, 1462440), (1741, 740040), (1762, 731220), (2643, 487480), (3482, 370020), (3524, 365610), (4405, 292488), (5223, 246680), (5286, 243740), (6167, 208920), (6964, 185010), (7048, 182805), (8705, 148008), (8810, 146244), (10446, 123340), (10572, 121870), (12187, 105720), (12334, 104460), (13215, 97496), (13928, 92505), (17410, 74004), (17620, 73122), (18501, 69640), (20892, 61670), (21144, 60935), (24374, 52860), (24668, 52230), (26115, 49336), (26430, 48748), (30835, 41784), (34820, 37002), (35240, 36561)]