308771840

素因数分解:

$2^{10}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4639}}^1$

素因数の和:4677

約数の個数: 88

約数和(自身を含む): 797838720

約数和(自身を除く): 489066880

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 512, 520, 640, 832, 1024, 1040, 1280, 1664, 2080, 2560, 3328, 4160, 4639, 5120, 6656, 8320, 9278, 13312, 16640, 18556, 23195, 33280, 37112, 46390, 60307, 66560, 74224, 92780, 120614, 148448, 185560, 241228, 296896, 301535, 371120, 482456, 593792, 603070, 742240, 964912, 1187584, 1206140, 1484480, 1929824, 2375168, 2412280, 2968960, 3859648, 4750336, 4824560, 5937920, 7719296, 9649120, 11875840, 15438592, 19298240, 23751680, 30877184, 38596480, 61754368, 77192960, 154385920, 308771840]

約数ペア:

[(1, 308771840), (2, 154385920), (4, 77192960), (5, 61754368), (8, 38596480), (10, 30877184), (13, 23751680), (16, 19298240), (20, 15438592), (26, 11875840), (32, 9649120), (40, 7719296), (52, 5937920), (64, 4824560), (65, 4750336), (80, 3859648), (104, 2968960), (128, 2412280), (130, 2375168), (160, 1929824), (208, 1484480), (256, 1206140), (260, 1187584), (320, 964912), (416, 742240), (512, 603070), (520, 593792), (640, 482456), (832, 371120), (1024, 301535), (1040, 296896), (1280, 241228), (1664, 185560), (2080, 148448), (2560, 120614), (3328, 92780), (4160, 74224), (4639, 66560), (5120, 60307), (6656, 46390), (8320, 37112), (9278, 33280), (13312, 23195), (16640, 18556)]