1781133487360

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{81853561}}^1$

素因数の和:81853599

約数の個数: 72

約数和(自身を含む): 4517334379656

約数和(自身を除く): 2736200892296

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 544, 640, 680, 1088, 1280, 1360, 2176, 2720, 4352, 5440, 10880, 21760, 81853561, 163707122, 327414244, 409267805, 654828488, 818535610, 1309656976, 1391510537, 1637071220, 2619313952, 2783021074, 3274142440, 5238627904, 5566042148, 6548284880, 6957552685, 10477255808, 11132084296, 13096569760, 13915105370, 20954511616, 22264168592, 26193139520, 27830210740, 44528337184, 52386279040, 55660421480, 89056674368, 104772558080, 111320842960, 178113348736, 222641685920, 356226697472, 445283371840, 890566743680, 1781133487360]

約数ペア:

[(1, 1781133487360), (2, 890566743680), (4, 445283371840), (5, 356226697472), (8, 222641685920), (10, 178113348736), (16, 111320842960), (17, 104772558080), (20, 89056674368), (32, 55660421480), (34, 52386279040), (40, 44528337184), (64, 27830210740), (68, 26193139520), (80, 22264168592), (85, 20954511616), (128, 13915105370), (136, 13096569760), (160, 11132084296), (170, 10477255808), (256, 6957552685), (272, 6548284880), (320, 5566042148), (340, 5238627904), (544, 3274142440), (640, 2783021074), (680, 2619313952), (1088, 1637071220), (1280, 1391510537), (1360, 1309656976), (2176, 818535610), (2720, 654828488), (4352, 409267805), (5440, 327414244), (10880, 163707122), (21760, 81853561)]