990334680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{5023}}^1$

素因数の和:5121

約数の個数: 128

約数和(自身を含む): 3125329920

約数和(自身を除く): 2134995240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 53, 60, 62, 93, 106, 120, 124, 155, 159, 186, 212, 248, 265, 310, 318, 372, 424, 465, 530, 620, 636, 744, 795, 930, 1060, 1240, 1272, 1590, 1643, 1860, 2120, 3180, 3286, 3720, 4929, 5023, 6360, 6572, 8215, 9858, 10046, 13144, 15069, 16430, 19716, 20092, 24645, 25115, 30138, 32860, 39432, 40184, 49290, 50230, 60276, 65720, 75345, 98580, 100460, 120552, 150690, 155713, 197160, 200920, 266219, 301380, 311426, 467139, 532438, 602760, 622852, 778565, 798657, 934278, 1064876, 1245704, 1331095, 1557130, 1597314, 1868556, 2129752, 2335695, 2662190, 3114260, 3194628, 3737112, 3993285, 4671390, 5324380, 6228520, 6389256, 7986570, 8252789, 9342780, 10648760, 15973140, 16505578, 18685560, 24758367, 31946280, 33011156, 41263945, 49516734, 66022312, 82527890, 99033468, 123791835, 165055780, 198066936, 247583670, 330111560, 495167340, 990334680]

約数ペア:

[(1, 990334680), (2, 495167340), (3, 330111560), (4, 247583670), (5, 198066936), (6, 165055780), (8, 123791835), (10, 99033468), (12, 82527890), (15, 66022312), (20, 49516734), (24, 41263945), (30, 33011156), (31, 31946280), (40, 24758367), (53, 18685560), (60, 16505578), (62, 15973140), (93, 10648760), (106, 9342780), (120, 8252789), (124, 7986570), (155, 6389256), (159, 6228520), (186, 5324380), (212, 4671390), (248, 3993285), (265, 3737112), (310, 3194628), (318, 3114260), (372, 2662190), (424, 2335695), (465, 2129752), (530, 1868556), (620, 1597314), (636, 1557130), (744, 1331095), (795, 1245704), (930, 1064876), (1060, 934278), (1240, 798657), (1272, 778565), (1590, 622852), (1643, 602760), (1860, 532438), (2120, 467139), (3180, 311426), (3286, 301380), (3720, 266219), (4929, 200920), (5023, 197160), (6360, 155713), (6572, 150690), (8215, 120552), (9858, 100460), (10046, 98580), (13144, 75345), (15069, 65720), (16430, 60276), (19716, 50230), (20092, 49290), (24645, 40184), (25115, 39432), (30138, 32860)]