620624970

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{328373}}^1$

素因数の和:328396

約数の個数: 64

約数和(自身を含む): 1891434240

約数和(自身を除く): 1270809270

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 328373, 656746, 985119, 1641865, 1970238, 2298611, 2955357, 3283730, 4597222, 4925595, 5910714, 6895833, 8866071, 9851190, 11493055, 13791666, 14776785, 17732142, 20687499, 22986110, 29553570, 34479165, 41374998, 44330355, 62062497, 68958330, 88660710, 103437495, 124124994, 206874990, 310312485, 620624970]

約数ペア:

[(1, 620624970), (2, 310312485), (3, 206874990), (5, 124124994), (6, 103437495), (7, 88660710), (9, 68958330), (10, 62062497), (14, 44330355), (15, 41374998), (18, 34479165), (21, 29553570), (27, 22986110), (30, 20687499), (35, 17732142), (42, 14776785), (45, 13791666), (54, 11493055), (63, 9851190), (70, 8866071), (90, 6895833), (105, 5910714), (126, 4925595), (135, 4597222), (189, 3283730), (210, 2955357), (270, 2298611), (315, 1970238), (378, 1641865), (630, 985119), (945, 656746), (1890, 328373)]