654120880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{16001}}^1$

素因数の和:16094

約数の個数: 80

約数和(自身を含む): 1762012224

約数和(自身を除く): 1107891344

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 73, 80, 112, 140, 146, 280, 292, 365, 511, 560, 584, 730, 1022, 1168, 1460, 2044, 2555, 2920, 4088, 5110, 5840, 8176, 10220, 16001, 20440, 32002, 40880, 64004, 80005, 112007, 128008, 160010, 224014, 256016, 320020, 448028, 560035, 640040, 896056, 1120070, 1168073, 1280080, 1792112, 2240140, 2336146, 4480280, 4672292, 5840365, 8176511, 8960560, 9344584, 11680730, 16353022, 18689168, 23361460, 32706044, 40882555, 46722920, 65412088, 81765110, 93445840, 130824176, 163530220, 327060440, 654120880]

約数ペア:

[(1, 654120880), (2, 327060440), (4, 163530220), (5, 130824176), (7, 93445840), (8, 81765110), (10, 65412088), (14, 46722920), (16, 40882555), (20, 32706044), (28, 23361460), (35, 18689168), (40, 16353022), (56, 11680730), (70, 9344584), (73, 8960560), (80, 8176511), (112, 5840365), (140, 4672292), (146, 4480280), (280, 2336146), (292, 2240140), (365, 1792112), (511, 1280080), (560, 1168073), (584, 1120070), (730, 896056), (1022, 640040), (1168, 560035), (1460, 448028), (2044, 320020), (2555, 256016), (2920, 224014), (4088, 160010), (5110, 128008), (5840, 112007), (8176, 80005), (10220, 64004), (16001, 40880), (20440, 32002)]