90471640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1489}}^1$

素因数の和:1545

約数の個数: 96

約数和(自身を含む): 244598400

約数和(自身を除く): 154126760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 49, 56, 62, 70, 98, 124, 140, 155, 196, 217, 245, 248, 280, 310, 392, 434, 490, 620, 868, 980, 1085, 1240, 1489, 1519, 1736, 1960, 2170, 2978, 3038, 4340, 5956, 6076, 7445, 7595, 8680, 10423, 11912, 12152, 14890, 15190, 20846, 29780, 30380, 41692, 46159, 52115, 59560, 60760, 72961, 83384, 92318, 104230, 145922, 184636, 208460, 230795, 291844, 323113, 364805, 369272, 416920, 461590, 583688, 646226, 729610, 923180, 1292452, 1459220, 1615565, 1846360, 2261791, 2584904, 2918440, 3231130, 4523582, 6462260, 9047164, 11308955, 12924520, 18094328, 22617910, 45235820, 90471640]

約数ペア:

[(1, 90471640), (2, 45235820), (4, 22617910), (5, 18094328), (7, 12924520), (8, 11308955), (10, 9047164), (14, 6462260), (20, 4523582), (28, 3231130), (31, 2918440), (35, 2584904), (40, 2261791), (49, 1846360), (56, 1615565), (62, 1459220), (70, 1292452), (98, 923180), (124, 729610), (140, 646226), (155, 583688), (196, 461590), (217, 416920), (245, 369272), (248, 364805), (280, 323113), (310, 291844), (392, 230795), (434, 208460), (490, 184636), (620, 145922), (868, 104230), (980, 92318), (1085, 83384), (1240, 72961), (1489, 60760), (1519, 59560), (1736, 52115), (1960, 46159), (2170, 41692), (2978, 30380), (3038, 29780), (4340, 20846), (5956, 15190), (6076, 14890), (7445, 12152), (7595, 11912), (8680, 10423)]