205595720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{15073}}^1$

素因数の和:15126

約数の個数: 64

約数和(自身を含む): 520957440

約数和(自身を除く): 315361720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 310, 341, 440, 620, 682, 1240, 1364, 1705, 2728, 3410, 6820, 13640, 15073, 30146, 60292, 75365, 120584, 150730, 165803, 301460, 331606, 467263, 602920, 663212, 829015, 934526, 1326424, 1658030, 1869052, 2336315, 3316060, 3738104, 4672630, 5139893, 6632120, 9345260, 10279786, 18690520, 20559572, 25699465, 41119144, 51398930, 102797860, 205595720]

約数ペア:

[(1, 205595720), (2, 102797860), (4, 51398930), (5, 41119144), (8, 25699465), (10, 20559572), (11, 18690520), (20, 10279786), (22, 9345260), (31, 6632120), (40, 5139893), (44, 4672630), (55, 3738104), (62, 3316060), (88, 2336315), (110, 1869052), (124, 1658030), (155, 1326424), (220, 934526), (248, 829015), (310, 663212), (341, 602920), (440, 467263), (620, 331606), (682, 301460), (1240, 165803), (1364, 150730), (1705, 120584), (2728, 75365), (3410, 60292), (6820, 30146), (13640, 15073)]