78857520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{643}}^1$

素因数の和:739

約数の個数: 160

約数和(自身を含む): 283648512

約数和(自身を除く): 204790992

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, 56, 60, 70, 73, 80, 84, 105, 112, 120, 140, 146, 168, 210, 219, 240, 280, 292, 336, 365, 420, 438, 511, 560, 584, 643, 730, 840, 876, 1022, 1095, 1168, 1286, 1460, 1533, 1680, 1752, 1929, 2044, 2190, 2555, 2572, 2920, 3066, 3215, 3504, 3858, 4088, 4380, 4501, 5110, 5144, 5840, 6132, 6430, 7665, 7716, 8176, 8760, 9002, 9645, 10220, 10288, 12264, 12860, 13503, 15330, 15432, 17520, 18004, 19290, 20440, 22505, 24528, 25720, 27006, 30660, 30864, 36008, 38580, 40880, 45010, 46939, 51440, 54012, 61320, 67515, 72016, 77160, 90020, 93878, 108024, 122640, 135030, 140817, 154320, 180040, 187756, 216048, 234695, 270060, 281634, 328573, 360080, 375512, 469390, 540120, 563268, 657146, 704085, 751024, 938780, 985719, 1080240, 1126536, 1314292, 1408170, 1642865, 1877560, 1971438, 2253072, 2628584, 2816340, 3285730, 3755120, 3942876, 4928595, 5257168, 5632680, 6571460, 7885752, 9857190, 11265360, 13142920, 15771504, 19714380, 26285840, 39428760, 78857520]

約数ペア:

[(1, 78857520), (2, 39428760), (3, 26285840), (4, 19714380), (5, 15771504), (6, 13142920), (7, 11265360), (8, 9857190), (10, 7885752), (12, 6571460), (14, 5632680), (15, 5257168), (16, 4928595), (20, 3942876), (21, 3755120), (24, 3285730), (28, 2816340), (30, 2628584), (35, 2253072), (40, 1971438), (42, 1877560), (48, 1642865), (56, 1408170), (60, 1314292), (70, 1126536), (73, 1080240), (80, 985719), (84, 938780), (105, 751024), (112, 704085), (120, 657146), (140, 563268), (146, 540120), (168, 469390), (210, 375512), (219, 360080), (240, 328573), (280, 281634), (292, 270060), (336, 234695), (365, 216048), (420, 187756), (438, 180040), (511, 154320), (560, 140817), (584, 135030), (643, 122640), (730, 108024), (840, 93878), (876, 90020), (1022, 77160), (1095, 72016), (1168, 67515), (1286, 61320), (1460, 54012), (1533, 51440), (1680, 46939), (1752, 45010), (1929, 40880), (2044, 38580), (2190, 36008), (2555, 30864), (2572, 30660), (2920, 27006), (3066, 25720), (3215, 24528), (3504, 22505), (3858, 20440), (4088, 19290), (4380, 18004), (4501, 17520), (5110, 15432), (5144, 15330), (5840, 13503), (6132, 12860), (6430, 12264), (7665, 10288), (7716, 10220), (8176, 9645), (8760, 9002)]