204249720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{20507}}^1$

素因数の和:20604

約数の個数: 64

約数和(自身を含む): 620161920

約数和(自身を除く): 415912200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 83, 120, 166, 249, 332, 415, 498, 664, 830, 996, 1245, 1660, 1992, 2490, 3320, 4980, 9960, 20507, 41014, 61521, 82028, 102535, 123042, 164056, 205070, 246084, 307605, 410140, 492168, 615210, 820280, 1230420, 1702081, 2460840, 3404162, 5106243, 6808324, 8510405, 10212486, 13616648, 17020810, 20424972, 25531215, 34041620, 40849944, 51062430, 68083240, 102124860, 204249720]

約数ペア:

[(1, 204249720), (2, 102124860), (3, 68083240), (4, 51062430), (5, 40849944), (6, 34041620), (8, 25531215), (10, 20424972), (12, 17020810), (15, 13616648), (20, 10212486), (24, 8510405), (30, 6808324), (40, 5106243), (60, 3404162), (83, 2460840), (120, 1702081), (166, 1230420), (249, 820280), (332, 615210), (415, 492168), (498, 410140), (664, 307605), (830, 246084), (996, 205070), (1245, 164056), (1660, 123042), (1992, 102535), (2490, 82028), (3320, 61521), (4980, 41014), (9960, 20507)]