77779520

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2671}}^1$

素因数の和:2708

約数の個数: 112

約数和(自身を含む): 228039168

約数和(自身を除く): 150259648

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 104, 112, 130, 140, 160, 182, 208, 224, 260, 280, 320, 364, 416, 448, 455, 520, 560, 728, 832, 910, 1040, 1120, 1456, 1820, 2080, 2240, 2671, 2912, 3640, 4160, 5342, 5824, 7280, 10684, 13355, 14560, 18697, 21368, 26710, 29120, 34723, 37394, 42736, 53420, 69446, 74788, 85472, 93485, 106840, 138892, 149576, 170944, 173615, 186970, 213680, 243061, 277784, 299152, 347230, 373940, 427360, 486122, 555568, 598304, 694460, 747880, 854720, 972244, 1111136, 1196608, 1215305, 1388920, 1495760, 1944488, 2222272, 2430610, 2777840, 2991520, 3888976, 4861220, 5555680, 5983040, 7777952, 9722440, 11111360, 15555904, 19444880, 38889760, 77779520]

約数ペア:

[(1, 77779520), (2, 38889760), (4, 19444880), (5, 15555904), (7, 11111360), (8, 9722440), (10, 7777952), (13, 5983040), (14, 5555680), (16, 4861220), (20, 3888976), (26, 2991520), (28, 2777840), (32, 2430610), (35, 2222272), (40, 1944488), (52, 1495760), (56, 1388920), (64, 1215305), (65, 1196608), (70, 1111136), (80, 972244), (91, 854720), (104, 747880), (112, 694460), (130, 598304), (140, 555568), (160, 486122), (182, 427360), (208, 373940), (224, 347230), (260, 299152), (280, 277784), (320, 243061), (364, 213680), (416, 186970), (448, 173615), (455, 170944), (520, 149576), (560, 138892), (728, 106840), (832, 93485), (910, 85472), (1040, 74788), (1120, 69446), (1456, 53420), (1820, 42736), (2080, 37394), (2240, 34723), (2671, 29120), (2912, 26710), (3640, 21368), (4160, 18697), (5342, 14560), (5824, 13355), (7280, 10684)]