30516780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{643}}^1$

素因数の和:775

約数の個数: 96

約数和(自身を含む): 98671104

約数和(自身を除く): 68154324

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 113, 140, 210, 226, 339, 420, 452, 565, 643, 678, 791, 1130, 1286, 1356, 1582, 1695, 1929, 2260, 2373, 2572, 3164, 3215, 3390, 3858, 3955, 4501, 4746, 6430, 6780, 7716, 7910, 9002, 9492, 9645, 11865, 12860, 13503, 15820, 18004, 19290, 22505, 23730, 27006, 38580, 45010, 47460, 54012, 67515, 72659, 90020, 135030, 145318, 217977, 270060, 290636, 363295, 435954, 508613, 726590, 871908, 1017226, 1089885, 1453180, 1525839, 2034452, 2179770, 2543065, 3051678, 4359540, 5086130, 6103356, 7629195, 10172260, 15258390, 30516780]

約数ペア:

[(1, 30516780), (2, 15258390), (3, 10172260), (4, 7629195), (5, 6103356), (6, 5086130), (7, 4359540), (10, 3051678), (12, 2543065), (14, 2179770), (15, 2034452), (20, 1525839), (21, 1453180), (28, 1089885), (30, 1017226), (35, 871908), (42, 726590), (60, 508613), (70, 435954), (84, 363295), (105, 290636), (113, 270060), (140, 217977), (210, 145318), (226, 135030), (339, 90020), (420, 72659), (452, 67515), (565, 54012), (643, 47460), (678, 45010), (791, 38580), (1130, 27006), (1286, 23730), (1356, 22505), (1582, 19290), (1695, 18004), (1929, 15820), (2260, 13503), (2373, 12860), (2572, 11865), (3164, 9645), (3215, 9492), (3390, 9002), (3858, 7910), (3955, 7716), (4501, 6780), (4746, 6430)]