151634420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{359}}^1\times {\mathrm{431}}^1$

素因数の和:813

約数の個数: 72

約数和(自身を含む): 372314880

約数和(自身を除く): 220680460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 359, 431, 490, 718, 862, 980, 1436, 1724, 1795, 2155, 2513, 3017, 3590, 4310, 5026, 6034, 7180, 8620, 10052, 12068, 12565, 15085, 17591, 21119, 25130, 30170, 35182, 42238, 50260, 60340, 70364, 84476, 87955, 105595, 154729, 175910, 211190, 309458, 351820, 422380, 618916, 773645, 1083103, 1547290, 2166206, 3094580, 4332412, 5415515, 7581721, 10831030, 15163442, 21662060, 30326884, 37908605, 75817210, 151634420]

約数ペア:

[(1, 151634420), (2, 75817210), (4, 37908605), (5, 30326884), (7, 21662060), (10, 15163442), (14, 10831030), (20, 7581721), (28, 5415515), (35, 4332412), (49, 3094580), (70, 2166206), (98, 1547290), (140, 1083103), (196, 773645), (245, 618916), (359, 422380), (431, 351820), (490, 309458), (718, 211190), (862, 175910), (980, 154729), (1436, 105595), (1724, 87955), (1795, 84476), (2155, 70364), (2513, 60340), (3017, 50260), (3590, 42238), (4310, 35182), (5026, 30170), (6034, 25130), (7180, 21119), (8620, 17591), (10052, 15085), (12068, 12565)]