1305809568

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{647723}}^1$

素因数の和:647746

約数の個数: 72

約数和(自身を含む): 4243887648

約数和(自身を除く): 2938078080

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 504, 672, 1008, 2016, 647723, 1295446, 1943169, 2590892, 3886338, 4534061, 5181784, 5829507, 7772676, 9068122, 10363568, 11659014, 13602183, 15545352, 18136244, 20727136, 23318028, 27204366, 31090704, 36272488, 40806549, 46636056, 54408732, 62181408, 72544976, 81613098, 93272112, 108817464, 145089952, 163226196, 186544224, 217634928, 326452392, 435269856, 652904784, 1305809568]

約数ペア:

[(1, 1305809568), (2, 652904784), (3, 435269856), (4, 326452392), (6, 217634928), (7, 186544224), (8, 163226196), (9, 145089952), (12, 108817464), (14, 93272112), (16, 81613098), (18, 72544976), (21, 62181408), (24, 54408732), (28, 46636056), (32, 40806549), (36, 36272488), (42, 31090704), (48, 27204366), (56, 23318028), (63, 20727136), (72, 18136244), (84, 15545352), (96, 13602183), (112, 11659014), (126, 10363568), (144, 9068122), (168, 7772676), (224, 5829507), (252, 5181784), (288, 4534061), (336, 3886338), (504, 2590892), (672, 1943169), (1008, 1295446), (2016, 647723)]