77979960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:198

約数の個数: 192

約数和(自身を含む): 266366880

約数和(自身を除く): 188386920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 53, 60, 61, 67, 72, 90, 106, 120, 122, 134, 159, 180, 183, 201, 212, 244, 265, 268, 305, 318, 335, 360, 366, 402, 424, 477, 488, 530, 536, 549, 603, 610, 636, 670, 732, 795, 804, 915, 954, 1005, 1060, 1098, 1206, 1220, 1272, 1340, 1464, 1590, 1608, 1830, 1908, 2010, 2120, 2196, 2385, 2412, 2440, 2680, 2745, 3015, 3180, 3233, 3551, 3660, 3816, 4020, 4087, 4392, 4770, 4824, 5490, 6030, 6360, 6466, 7102, 7320, 8040, 8174, 9540, 9699, 10653, 10980, 12060, 12261, 12932, 14204, 16165, 16348, 17755, 19080, 19398, 20435, 21306, 21960, 24120, 24522, 25864, 28408, 29097, 31959, 32330, 32696, 35510, 36783, 38796, 40870, 42612, 48495, 49044, 53265, 58194, 61305, 63918, 64660, 71020, 73566, 77592, 81740, 85224, 96990, 98088, 106530, 116388, 122610, 127836, 129320, 142040, 145485, 147132, 159795, 163480, 183915, 193980, 213060, 216611, 232776, 245220, 255672, 290970, 294264, 319590, 367830, 387960, 426120, 433222, 490440, 581940, 639180, 649833, 735660, 866444, 1083055, 1163880, 1278360, 1299666, 1471320, 1732888, 1949499, 2166110, 2599332, 3249165, 3898998, 4332220, 5198664, 6498330, 7797996, 8664440, 9747495, 12996660, 15595992, 19494990, 25993320, 38989980, 77979960]

約数ペア:

[(1, 77979960), (2, 38989980), (3, 25993320), (4, 19494990), (5, 15595992), (6, 12996660), (8, 9747495), (9, 8664440), (10, 7797996), (12, 6498330), (15, 5198664), (18, 4332220), (20, 3898998), (24, 3249165), (30, 2599332), (36, 2166110), (40, 1949499), (45, 1732888), (53, 1471320), (60, 1299666), (61, 1278360), (67, 1163880), (72, 1083055), (90, 866444), (106, 735660), (120, 649833), (122, 639180), (134, 581940), (159, 490440), (180, 433222), (183, 426120), (201, 387960), (212, 367830), (244, 319590), (265, 294264), (268, 290970), (305, 255672), (318, 245220), (335, 232776), (360, 216611), (366, 213060), (402, 193980), (424, 183915), (477, 163480), (488, 159795), (530, 147132), (536, 145485), (549, 142040), (603, 129320), (610, 127836), (636, 122610), (670, 116388), (732, 106530), (795, 98088), (804, 96990), (915, 85224), (954, 81740), (1005, 77592), (1060, 73566), (1098, 71020), (1206, 64660), (1220, 63918), (1272, 61305), (1340, 58194), (1464, 53265), (1590, 49044), (1608, 48495), (1830, 42612), (1908, 40870), (2010, 38796), (2120, 36783), (2196, 35510), (2385, 32696), (2412, 32330), (2440, 31959), (2680, 29097), (2745, 28408), (3015, 25864), (3180, 24522), (3233, 24120), (3551, 21960), (3660, 21306), (3816, 20435), (4020, 19398), (4087, 19080), (4392, 17755), (4770, 16348), (4824, 16165), (5490, 14204), (6030, 12932), (6360, 12261), (6466, 12060), (7102, 10980), (7320, 10653), (8040, 9699), (8174, 9540)]