81827760

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{919}}^1$

素因数の和:995

約数の個数: 160

約数和(自身を含む): 295695360

約数和(自身を除く): 213867600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 53, 56, 60, 70, 80, 84, 105, 106, 112, 120, 140, 159, 168, 210, 212, 240, 265, 280, 318, 336, 371, 420, 424, 530, 560, 636, 742, 795, 840, 848, 919, 1060, 1113, 1272, 1484, 1590, 1680, 1838, 1855, 2120, 2226, 2544, 2757, 2968, 3180, 3676, 3710, 4240, 4452, 4595, 5514, 5565, 5936, 6360, 6433, 7352, 7420, 8904, 9190, 11028, 11130, 12720, 12866, 13785, 14704, 14840, 17808, 18380, 19299, 22056, 22260, 25732, 27570, 29680, 32165, 36760, 38598, 44112, 44520, 48707, 51464, 55140, 64330, 73520, 77196, 89040, 96495, 97414, 102928, 110280, 128660, 146121, 154392, 192990, 194828, 220560, 243535, 257320, 292242, 308784, 340949, 385980, 389656, 487070, 514640, 584484, 681898, 730605, 771960, 779312, 974140, 1022847, 1168968, 1363796, 1461210, 1543920, 1704745, 1948280, 2045694, 2337936, 2727592, 2922420, 3409490, 3896560, 4091388, 5114235, 5455184, 5844840, 6818980, 8182776, 10228470, 11689680, 13637960, 16365552, 20456940, 27275920, 40913880, 81827760]

約数ペア:

[(1, 81827760), (2, 40913880), (3, 27275920), (4, 20456940), (5, 16365552), (6, 13637960), (7, 11689680), (8, 10228470), (10, 8182776), (12, 6818980), (14, 5844840), (15, 5455184), (16, 5114235), (20, 4091388), (21, 3896560), (24, 3409490), (28, 2922420), (30, 2727592), (35, 2337936), (40, 2045694), (42, 1948280), (48, 1704745), (53, 1543920), (56, 1461210), (60, 1363796), (70, 1168968), (80, 1022847), (84, 974140), (105, 779312), (106, 771960), (112, 730605), (120, 681898), (140, 584484), (159, 514640), (168, 487070), (210, 389656), (212, 385980), (240, 340949), (265, 308784), (280, 292242), (318, 257320), (336, 243535), (371, 220560), (420, 194828), (424, 192990), (530, 154392), (560, 146121), (636, 128660), (742, 110280), (795, 102928), (840, 97414), (848, 96495), (919, 89040), (1060, 77196), (1113, 73520), (1272, 64330), (1484, 55140), (1590, 51464), (1680, 48707), (1838, 44520), (1855, 44112), (2120, 38598), (2226, 36760), (2544, 32165), (2757, 29680), (2968, 27570), (3180, 25732), (3676, 22260), (3710, 22056), (4240, 19299), (4452, 18380), (4595, 17808), (5514, 14840), (5565, 14704), (5936, 13785), (6360, 12866), (6433, 12720), (7352, 11130), (7420, 11028), (8904, 9190)]