16810920

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{953}}^1$

素因数の和:984

約数の個数: 144

約数和(自身を含む): 63622260

約数和(自身を除く): 46811340

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 588, 630, 735, 840, 882, 953, 980, 1176, 1260, 1470, 1764, 1906, 1960, 2205, 2520, 2859, 2940, 3528, 3812, 4410, 4765, 5718, 5880, 6671, 7624, 8577, 8820, 9530, 11436, 13342, 14295, 17154, 17640, 19060, 20013, 22872, 26684, 28590, 33355, 34308, 38120, 40026, 42885, 46697, 53368, 57180, 60039, 66710, 68616, 80052, 85770, 93394, 100065, 114360, 120078, 133420, 140091, 160104, 171540, 186788, 200130, 233485, 240156, 266840, 280182, 300195, 343080, 373576, 400260, 420273, 466970, 480312, 560364, 600390, 700455, 800520, 840546, 933940, 1120728, 1200780, 1400910, 1681092, 1867880, 2101365, 2401560, 2801820, 3362184, 4202730, 5603640, 8405460, 16810920]

約数ペア:

[(1, 16810920), (2, 8405460), (3, 5603640), (4, 4202730), (5, 3362184), (6, 2801820), (7, 2401560), (8, 2101365), (9, 1867880), (10, 1681092), (12, 1400910), (14, 1200780), (15, 1120728), (18, 933940), (20, 840546), (21, 800520), (24, 700455), (28, 600390), (30, 560364), (35, 480312), (36, 466970), (40, 420273), (42, 400260), (45, 373576), (49, 343080), (56, 300195), (60, 280182), (63, 266840), (70, 240156), (72, 233485), (84, 200130), (90, 186788), (98, 171540), (105, 160104), (120, 140091), (126, 133420), (140, 120078), (147, 114360), (168, 100065), (180, 93394), (196, 85770), (210, 80052), (245, 68616), (252, 66710), (280, 60039), (294, 57180), (315, 53368), (360, 46697), (392, 42885), (420, 40026), (441, 38120), (490, 34308), (504, 33355), (588, 28590), (630, 26684), (735, 22872), (840, 20013), (882, 19060), (953, 17640), (980, 17154), (1176, 14295), (1260, 13342), (1470, 11436), (1764, 9530), (1906, 8820), (1960, 8577), (2205, 7624), (2520, 6671), (2859, 5880), (2940, 5718), (3528, 4765), (3812, 4410)]