920831940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{730819}}^1$

素因数の和:730841

約数の個数: 72

約数和(自身を含む): 3192221760

約数和(自身を除く): 2271389820

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 730819, 1461638, 2192457, 2923276, 3654095, 4384914, 5115733, 6577371, 7308190, 8769828, 10231466, 10962285, 13154742, 14616380, 15347199, 20462932, 21924570, 25578665, 26309484, 30694398, 32886855, 43849140, 46041597, 51157330, 61388796, 65773710, 76735995, 92083194, 102314660, 131547420, 153471990, 184166388, 230207985, 306943980, 460415970, 920831940]

約数ペア:

[(1, 920831940), (2, 460415970), (3, 306943980), (4, 230207985), (5, 184166388), (6, 153471990), (7, 131547420), (9, 102314660), (10, 92083194), (12, 76735995), (14, 65773710), (15, 61388796), (18, 51157330), (20, 46041597), (21, 43849140), (28, 32886855), (30, 30694398), (35, 26309484), (36, 25578665), (42, 21924570), (45, 20462932), (60, 15347199), (63, 14616380), (70, 13154742), (84, 10962285), (90, 10231466), (105, 8769828), (126, 7308190), (140, 6577371), (180, 5115733), (210, 4384914), (252, 3654095), (315, 2923276), (420, 2192457), (630, 1461638), (1260, 730819)]