31352580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{167}}^1$

素因数の和:338

約数の個数: 144

約数和(自身を含む): 110073600

約数和(自身を除く): 78721020

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 149, 167, 180, 210, 252, 298, 315, 334, 420, 447, 501, 596, 630, 668, 745, 835, 894, 1002, 1043, 1169, 1260, 1341, 1490, 1503, 1670, 1788, 2004, 2086, 2235, 2338, 2505, 2682, 2980, 3006, 3129, 3340, 3507, 4172, 4470, 4676, 5010, 5215, 5364, 5845, 6012, 6258, 6705, 7014, 7515, 8940, 9387, 10020, 10430, 10521, 11690, 12516, 13410, 14028, 15030, 15645, 17535, 18774, 20860, 21042, 23380, 24883, 26820, 30060, 31290, 35070, 37548, 42084, 46935, 49766, 52605, 62580, 70140, 74649, 93870, 99532, 105210, 124415, 149298, 174181, 187740, 210420, 223947, 248830, 298596, 348362, 373245, 447894, 497660, 522543, 696724, 746490, 870905, 895788, 1045086, 1119735, 1492980, 1567629, 1741810, 2090172, 2239470, 2612715, 3135258, 3483620, 4478940, 5225430, 6270516, 7838145, 10450860, 15676290, 31352580]

約数ペア:

[(1, 31352580), (2, 15676290), (3, 10450860), (4, 7838145), (5, 6270516), (6, 5225430), (7, 4478940), (9, 3483620), (10, 3135258), (12, 2612715), (14, 2239470), (15, 2090172), (18, 1741810), (20, 1567629), (21, 1492980), (28, 1119735), (30, 1045086), (35, 895788), (36, 870905), (42, 746490), (45, 696724), (60, 522543), (63, 497660), (70, 447894), (84, 373245), (90, 348362), (105, 298596), (126, 248830), (140, 223947), (149, 210420), (167, 187740), (180, 174181), (210, 149298), (252, 124415), (298, 105210), (315, 99532), (334, 93870), (420, 74649), (447, 70140), (501, 62580), (596, 52605), (630, 49766), (668, 46935), (745, 42084), (835, 37548), (894, 35070), (1002, 31290), (1043, 30060), (1169, 26820), (1260, 24883), (1341, 23380), (1490, 21042), (1503, 20860), (1670, 18774), (1788, 17535), (2004, 15645), (2086, 15030), (2235, 14028), (2338, 13410), (2505, 12516), (2682, 11690), (2980, 10521), (3006, 10430), (3129, 10020), (3340, 9387), (3507, 8940), (4172, 7515), (4470, 7014), (4676, 6705), (5010, 6258), (5215, 6012), (5364, 5845)]