678579200

素因数分解:

$2^{10}\times 5^2\times {\mathrm{13}}^1\times {\mathrm{2039}}^1$

素因数の和:2082

約数の個数: 132

約数和(自身を含む): 1812331920

約数和(自身を除く): 1133752720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 128, 130, 160, 200, 208, 256, 260, 320, 325, 400, 416, 512, 520, 640, 650, 800, 832, 1024, 1040, 1280, 1300, 1600, 1664, 2039, 2080, 2560, 2600, 3200, 3328, 4078, 4160, 5120, 5200, 6400, 6656, 8156, 8320, 10195, 10400, 12800, 13312, 16312, 16640, 20390, 20800, 25600, 26507, 32624, 33280, 40780, 41600, 50975, 53014, 65248, 66560, 81560, 83200, 101950, 106028, 130496, 132535, 163120, 166400, 203900, 212056, 260992, 265070, 326240, 332800, 407800, 424112, 521984, 530140, 652480, 662675, 815600, 848224, 1043968, 1060280, 1304960, 1325350, 1631200, 1696448, 2087936, 2120560, 2609920, 2650700, 3262400, 3392896, 4241120, 5219840, 5301400, 6524800, 6785792, 8482240, 10439680, 10602800, 13049600, 13571584, 16964480, 21205600, 26099200, 27143168, 33928960, 42411200, 52198400, 67857920, 84822400, 135715840, 169644800, 339289600, 678579200]

約数ペア:

[(1, 678579200), (2, 339289600), (4, 169644800), (5, 135715840), (8, 84822400), (10, 67857920), (13, 52198400), (16, 42411200), (20, 33928960), (25, 27143168), (26, 26099200), (32, 21205600), (40, 16964480), (50, 13571584), (52, 13049600), (64, 10602800), (65, 10439680), (80, 8482240), (100, 6785792), (104, 6524800), (128, 5301400), (130, 5219840), (160, 4241120), (200, 3392896), (208, 3262400), (256, 2650700), (260, 2609920), (320, 2120560), (325, 2087936), (400, 1696448), (416, 1631200), (512, 1325350), (520, 1304960), (640, 1060280), (650, 1043968), (800, 848224), (832, 815600), (1024, 662675), (1040, 652480), (1280, 530140), (1300, 521984), (1600, 424112), (1664, 407800), (2039, 332800), (2080, 326240), (2560, 265070), (2600, 260992), (3200, 212056), (3328, 203900), (4078, 166400), (4160, 163120), (5120, 132535), (5200, 130496), (6400, 106028), (6656, 101950), (8156, 83200), (8320, 81560), (10195, 66560), (10400, 65248), (12800, 53014), (13312, 50975), (16312, 41600), (16640, 40780), (20390, 33280), (20800, 32624), (25600, 26507)]