2031678320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{157739}}^1$

素因数の和:157782

約数の個数: 80

約数和(自身を含む): 5633210880

約数和(自身を除く): 3601532560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1610, 1840, 2576, 3220, 6440, 12880, 157739, 315478, 630956, 788695, 1104173, 1261912, 1577390, 2208346, 2523824, 3154780, 3627997, 4416692, 5520865, 6309560, 7255994, 8833384, 11041730, 12619120, 14511988, 17666768, 18139985, 22083460, 25395979, 29023976, 36279970, 44166920, 50791958, 58047952, 72559940, 88333840, 101583916, 126979895, 145119880, 203167832, 253959790, 290239760, 406335664, 507919580, 1015839160, 2031678320]

約数ペア:

[(1, 2031678320), (2, 1015839160), (4, 507919580), (5, 406335664), (7, 290239760), (8, 253959790), (10, 203167832), (14, 145119880), (16, 126979895), (20, 101583916), (23, 88333840), (28, 72559940), (35, 58047952), (40, 50791958), (46, 44166920), (56, 36279970), (70, 29023976), (80, 25395979), (92, 22083460), (112, 18139985), (115, 17666768), (140, 14511988), (161, 12619120), (184, 11041730), (230, 8833384), (280, 7255994), (322, 6309560), (368, 5520865), (460, 4416692), (560, 3627997), (644, 3154780), (805, 2523824), (920, 2208346), (1288, 1577390), (1610, 1261912), (1840, 1104173), (2576, 788695), (3220, 630956), (6440, 315478), (12880, 157739)]