17688780

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1$

素因数の和:261

約数の個数: 120

約数和(自身を含む): 56715120

約数和(自身を除く): 39026340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 61, 81, 90, 108, 122, 135, 162, 179, 180, 183, 244, 270, 305, 324, 358, 366, 405, 537, 540, 549, 610, 716, 732, 810, 895, 915, 1074, 1098, 1220, 1611, 1620, 1647, 1790, 1830, 2148, 2196, 2685, 2745, 3222, 3294, 3580, 3660, 4833, 4941, 5370, 5490, 6444, 6588, 8055, 8235, 9666, 9882, 10740, 10919, 10980, 14499, 16110, 16470, 19332, 19764, 21838, 24165, 24705, 28998, 32220, 32757, 32940, 43676, 48330, 49410, 54595, 57996, 65514, 72495, 96660, 98271, 98820, 109190, 131028, 144990, 163785, 196542, 218380, 289980, 294813, 327570, 393084, 491355, 589626, 655140, 884439, 982710, 1179252, 1474065, 1768878, 1965420, 2948130, 3537756, 4422195, 5896260, 8844390, 17688780]

約数ペア:

[(1, 17688780), (2, 8844390), (3, 5896260), (4, 4422195), (5, 3537756), (6, 2948130), (9, 1965420), (10, 1768878), (12, 1474065), (15, 1179252), (18, 982710), (20, 884439), (27, 655140), (30, 589626), (36, 491355), (45, 393084), (54, 327570), (60, 294813), (61, 289980), (81, 218380), (90, 196542), (108, 163785), (122, 144990), (135, 131028), (162, 109190), (179, 98820), (180, 98271), (183, 96660), (244, 72495), (270, 65514), (305, 57996), (324, 54595), (358, 49410), (366, 48330), (405, 43676), (537, 32940), (540, 32757), (549, 32220), (610, 28998), (716, 24705), (732, 24165), (810, 21838), (895, 19764), (915, 19332), (1074, 16470), (1098, 16110), (1220, 14499), (1611, 10980), (1620, 10919), (1647, 10740), (1790, 9882), (1830, 9666), (2148, 8235), (2196, 8055), (2685, 6588), (2745, 6444), (3222, 5490), (3294, 5370), (3580, 4941), (3660, 4833)]