28091070

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{167}}^1$

素因数の和:279

約数の個数: 128

約数和(自身を含む): 87091200

約数和(自身を除く): 59000130

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 89, 90, 105, 126, 135, 167, 178, 189, 210, 267, 270, 315, 334, 378, 445, 501, 534, 623, 630, 801, 835, 890, 945, 1002, 1169, 1246, 1335, 1503, 1602, 1670, 1869, 1890, 2338, 2403, 2505, 2670, 3006, 3115, 3507, 3738, 4005, 4509, 4806, 5010, 5607, 5845, 6230, 7014, 7515, 8010, 9018, 9345, 10521, 11214, 11690, 12015, 14863, 15030, 16821, 17535, 18690, 21042, 22545, 24030, 28035, 29726, 31563, 33642, 35070, 44589, 45090, 52605, 56070, 63126, 74315, 84105, 89178, 104041, 105210, 133767, 148630, 157815, 168210, 208082, 222945, 267534, 312123, 315630, 401301, 445890, 520205, 624246, 668835, 802602, 936369, 1040410, 1337670, 1560615, 1872738, 2006505, 2809107, 3121230, 4013010, 4681845, 5618214, 9363690, 14045535, 28091070]

約数ペア:

[(1, 28091070), (2, 14045535), (3, 9363690), (5, 5618214), (6, 4681845), (7, 4013010), (9, 3121230), (10, 2809107), (14, 2006505), (15, 1872738), (18, 1560615), (21, 1337670), (27, 1040410), (30, 936369), (35, 802602), (42, 668835), (45, 624246), (54, 520205), (63, 445890), (70, 401301), (89, 315630), (90, 312123), (105, 267534), (126, 222945), (135, 208082), (167, 168210), (178, 157815), (189, 148630), (210, 133767), (267, 105210), (270, 104041), (315, 89178), (334, 84105), (378, 74315), (445, 63126), (501, 56070), (534, 52605), (623, 45090), (630, 44589), (801, 35070), (835, 33642), (890, 31563), (945, 29726), (1002, 28035), (1169, 24030), (1246, 22545), (1335, 21042), (1503, 18690), (1602, 17535), (1670, 16821), (1869, 15030), (1890, 14863), (2338, 12015), (2403, 11690), (2505, 11214), (2670, 10521), (3006, 9345), (3115, 9018), (3507, 8010), (3738, 7515), (4005, 7014), (4509, 6230), (4806, 5845), (5010, 5607)]