687261420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{193}}^1\times {\mathrm{271}}^1$

素因数の和:552

約数の個数: 144

約数和(自身を含む): 2132038272

約数和(自身を除く): 1444776852

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 73, 90, 146, 180, 193, 219, 271, 292, 365, 386, 438, 542, 579, 657, 730, 772, 813, 876, 965, 1084, 1095, 1158, 1314, 1355, 1460, 1626, 1737, 1930, 2190, 2316, 2439, 2628, 2710, 2895, 3252, 3285, 3474, 3860, 4065, 4380, 4878, 5420, 5790, 6570, 6948, 8130, 8685, 9756, 11580, 12195, 13140, 14089, 16260, 17370, 19783, 24390, 28178, 34740, 39566, 42267, 48780, 52303, 56356, 59349, 70445, 79132, 84534, 98915, 104606, 118698, 126801, 140890, 156909, 169068, 178047, 197830, 209212, 211335, 237396, 253602, 261515, 281780, 296745, 313818, 356094, 395660, 422670, 470727, 507204, 523030, 593490, 627636, 634005, 712188, 784545, 845340, 890235, 941454, 1046060, 1186980, 1268010, 1569090, 1780470, 1882908, 2353635, 2536020, 3138180, 3560940, 3818119, 4707270, 7636238, 9414540, 11454357, 15272476, 19090595, 22908714, 34363071, 38181190, 45817428, 57271785, 68726142, 76362380, 114543570, 137452284, 171815355, 229087140, 343630710, 687261420]

約数ペア:

[(1, 687261420), (2, 343630710), (3, 229087140), (4, 171815355), (5, 137452284), (6, 114543570), (9, 76362380), (10, 68726142), (12, 57271785), (15, 45817428), (18, 38181190), (20, 34363071), (30, 22908714), (36, 19090595), (45, 15272476), (60, 11454357), (73, 9414540), (90, 7636238), (146, 4707270), (180, 3818119), (193, 3560940), (219, 3138180), (271, 2536020), (292, 2353635), (365, 1882908), (386, 1780470), (438, 1569090), (542, 1268010), (579, 1186980), (657, 1046060), (730, 941454), (772, 890235), (813, 845340), (876, 784545), (965, 712188), (1084, 634005), (1095, 627636), (1158, 593490), (1314, 523030), (1355, 507204), (1460, 470727), (1626, 422670), (1737, 395660), (1930, 356094), (2190, 313818), (2316, 296745), (2439, 281780), (2628, 261515), (2710, 253602), (2895, 237396), (3252, 211335), (3285, 209212), (3474, 197830), (3860, 178047), (4065, 169068), (4380, 156909), (4878, 140890), (5420, 126801), (5790, 118698), (6570, 104606), (6948, 98915), (8130, 84534), (8685, 79132), (9756, 70445), (11580, 59349), (12195, 56356), (13140, 52303), (14089, 48780), (16260, 42267), (17370, 39566), (19783, 34740), (24390, 28178)]