287647440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{491}}^1\times {\mathrm{2441}}^1$

素因数の和:2948

約数の個数: 80

約数和(自身を含む): 893889216

約数和(自身を除く): 606241776

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 491, 982, 1473, 1964, 2441, 2455, 2946, 3928, 4882, 4910, 5892, 7323, 7365, 7856, 9764, 9820, 11784, 12205, 14646, 14730, 19528, 19640, 23568, 24410, 29292, 29460, 36615, 39056, 39280, 48820, 58584, 58920, 73230, 97640, 117168, 117840, 146460, 195280, 292920, 585840, 1198531, 2397062, 3595593, 4794124, 5992655, 7191186, 9588248, 11985310, 14382372, 17977965, 19176496, 23970620, 28764744, 35955930, 47941240, 57529488, 71911860, 95882480, 143823720, 287647440]

約数ペア:

[(1, 287647440), (2, 143823720), (3, 95882480), (4, 71911860), (5, 57529488), (6, 47941240), (8, 35955930), (10, 28764744), (12, 23970620), (15, 19176496), (16, 17977965), (20, 14382372), (24, 11985310), (30, 9588248), (40, 7191186), (48, 5992655), (60, 4794124), (80, 3595593), (120, 2397062), (240, 1198531), (491, 585840), (982, 292920), (1473, 195280), (1964, 146460), (2441, 117840), (2455, 117168), (2946, 97640), (3928, 73230), (4882, 58920), (4910, 58584), (5892, 48820), (7323, 39280), (7365, 39056), (7856, 36615), (9764, 29460), (9820, 29292), (11784, 24410), (12205, 23568), (14646, 19640), (14730, 19528)]