90234640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1543}}^1$

素因数の和:1616

約数の個数: 80

約数和(自身を含む): 227449728

約数和(自身を除く): 137215088

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 43, 68, 80, 85, 86, 136, 170, 172, 215, 272, 340, 344, 430, 680, 688, 731, 860, 1360, 1462, 1543, 1720, 2924, 3086, 3440, 3655, 5848, 6172, 7310, 7715, 11696, 12344, 14620, 15430, 24688, 26231, 29240, 30860, 52462, 58480, 61720, 66349, 104924, 123440, 131155, 132698, 209848, 262310, 265396, 331745, 419696, 524620, 530792, 663490, 1049240, 1061584, 1127933, 1326980, 2098480, 2255866, 2653960, 4511732, 5307920, 5639665, 9023464, 11279330, 18046928, 22558660, 45117320, 90234640]

約数ペア:

[(1, 90234640), (2, 45117320), (4, 22558660), (5, 18046928), (8, 11279330), (10, 9023464), (16, 5639665), (17, 5307920), (20, 4511732), (34, 2653960), (40, 2255866), (43, 2098480), (68, 1326980), (80, 1127933), (85, 1061584), (86, 1049240), (136, 663490), (170, 530792), (172, 524620), (215, 419696), (272, 331745), (340, 265396), (344, 262310), (430, 209848), (680, 132698), (688, 131155), (731, 123440), (860, 104924), (1360, 66349), (1462, 61720), (1543, 58480), (1720, 52462), (2924, 30860), (3086, 29240), (3440, 26231), (3655, 24688), (5848, 15430), (6172, 14620), (7310, 12344), (7715, 11696)]