78474420

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{67}}^1\times {\mathrm{241}}^1$

素因数の和:332

約数の個数: 144

約数和(自身を含む): 251579328

約数和(自身を除く): 173104908

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 67, 81, 90, 108, 134, 135, 162, 180, 201, 241, 243, 268, 270, 324, 335, 402, 405, 482, 486, 540, 603, 670, 723, 804, 810, 964, 972, 1005, 1205, 1206, 1215, 1340, 1446, 1620, 1809, 2010, 2169, 2410, 2412, 2430, 2892, 3015, 3615, 3618, 4020, 4338, 4820, 4860, 5427, 6030, 6507, 7230, 7236, 8676, 9045, 10845, 10854, 12060, 13014, 14460, 16147, 16281, 18090, 19521, 21690, 21708, 26028, 27135, 32294, 32535, 32562, 36180, 39042, 43380, 48441, 54270, 58563, 64588, 65070, 65124, 78084, 80735, 81405, 96882, 97605, 108540, 117126, 130140, 145323, 161470, 162810, 193764, 195210, 234252, 242205, 290646, 292815, 322940, 325620, 390420, 435969, 484410, 581292, 585630, 726615, 871938, 968820, 1171260, 1307907, 1453230, 1743876, 2179845, 2615814, 2906460, 3923721, 4359690, 5231628, 6539535, 7847442, 8719380, 13079070, 15694884, 19618605, 26158140, 39237210, 78474420]

約数ペア:

[(1, 78474420), (2, 39237210), (3, 26158140), (4, 19618605), (5, 15694884), (6, 13079070), (9, 8719380), (10, 7847442), (12, 6539535), (15, 5231628), (18, 4359690), (20, 3923721), (27, 2906460), (30, 2615814), (36, 2179845), (45, 1743876), (54, 1453230), (60, 1307907), (67, 1171260), (81, 968820), (90, 871938), (108, 726615), (134, 585630), (135, 581292), (162, 484410), (180, 435969), (201, 390420), (241, 325620), (243, 322940), (268, 292815), (270, 290646), (324, 242205), (335, 234252), (402, 195210), (405, 193764), (482, 162810), (486, 161470), (540, 145323), (603, 130140), (670, 117126), (723, 108540), (804, 97605), (810, 96882), (964, 81405), (972, 80735), (1005, 78084), (1205, 65124), (1206, 65070), (1215, 64588), (1340, 58563), (1446, 54270), (1620, 48441), (1809, 43380), (2010, 39042), (2169, 36180), (2410, 32562), (2412, 32535), (2430, 32294), (2892, 27135), (3015, 26028), (3615, 21708), (3618, 21690), (4020, 19521), (4338, 18090), (4820, 16281), (4860, 16147), (5427, 14460), (6030, 13014), (6507, 12060), (7230, 10854), (7236, 10845), (8676, 9045)]