31152870

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{311}}^1$

素因数の和:387

約数の個数: 128

約数和(自身を含む): 97044480

約数和(自身を除く): 65891610

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 53, 54, 63, 70, 90, 105, 106, 126, 135, 159, 189, 210, 265, 270, 311, 315, 318, 371, 378, 477, 530, 622, 630, 742, 795, 933, 945, 954, 1113, 1431, 1555, 1590, 1855, 1866, 1890, 2177, 2226, 2385, 2799, 2862, 3110, 3339, 3710, 4354, 4665, 4770, 5565, 5598, 6531, 6678, 7155, 8397, 9330, 10017, 10885, 11130, 13062, 13995, 14310, 16483, 16695, 16794, 19593, 20034, 21770, 27990, 32655, 32966, 33390, 39186, 41985, 49449, 50085, 58779, 65310, 82415, 83970, 97965, 98898, 100170, 115381, 117558, 148347, 164830, 195930, 230762, 247245, 293895, 296694, 346143, 445041, 494490, 576905, 587790, 692286, 741735, 890082, 1038429, 1153810, 1483470, 1730715, 2076858, 2225205, 3115287, 3461430, 4450410, 5192145, 6230574, 10384290, 15576435, 31152870]

約数ペア:

[(1, 31152870), (2, 15576435), (3, 10384290), (5, 6230574), (6, 5192145), (7, 4450410), (9, 3461430), (10, 3115287), (14, 2225205), (15, 2076858), (18, 1730715), (21, 1483470), (27, 1153810), (30, 1038429), (35, 890082), (42, 741735), (45, 692286), (53, 587790), (54, 576905), (63, 494490), (70, 445041), (90, 346143), (105, 296694), (106, 293895), (126, 247245), (135, 230762), (159, 195930), (189, 164830), (210, 148347), (265, 117558), (270, 115381), (311, 100170), (315, 98898), (318, 97965), (371, 83970), (378, 82415), (477, 65310), (530, 58779), (622, 50085), (630, 49449), (742, 41985), (795, 39186), (933, 33390), (945, 32966), (954, 32655), (1113, 27990), (1431, 21770), (1555, 20034), (1590, 19593), (1855, 16794), (1866, 16695), (1890, 16483), (2177, 14310), (2226, 13995), (2385, 13062), (2799, 11130), (2862, 10885), (3110, 10017), (3339, 9330), (3710, 8397), (4354, 7155), (4665, 6678), (4770, 6531), (5565, 5598)]