2521540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:137

約数の個数: 72

約数和(自身を含む): 6435072

約数和(自身を除く): 3913532

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 49, 62, 70, 83, 98, 124, 140, 155, 166, 196, 217, 245, 310, 332, 415, 434, 490, 581, 620, 830, 868, 980, 1085, 1162, 1519, 1660, 2170, 2324, 2573, 2905, 3038, 4067, 4340, 5146, 5810, 6076, 7595, 8134, 10292, 11620, 12865, 15190, 16268, 18011, 20335, 25730, 30380, 36022, 40670, 51460, 72044, 81340, 90055, 126077, 180110, 252154, 360220, 504308, 630385, 1260770, 2521540]

約数ペア:

[(1, 2521540), (2, 1260770), (4, 630385), (5, 504308), (7, 360220), (10, 252154), (14, 180110), (20, 126077), (28, 90055), (31, 81340), (35, 72044), (49, 51460), (62, 40670), (70, 36022), (83, 30380), (98, 25730), (124, 20335), (140, 18011), (155, 16268), (166, 15190), (196, 12865), (217, 11620), (245, 10292), (310, 8134), (332, 7595), (415, 6076), (434, 5810), (490, 5146), (581, 4340), (620, 4067), (830, 3038), (868, 2905), (980, 2573), (1085, 2324), (1162, 2170), (1519, 1660)]