21574320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{241}}^1\times {\mathrm{373}}^1$

素因数の和:630

約数の個数: 80

約数和(自身を含む): 67337952

約数和(自身を除く): 45763632

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 241, 373, 482, 723, 746, 964, 1119, 1205, 1446, 1492, 1865, 1928, 2238, 2410, 2892, 2984, 3615, 3730, 3856, 4476, 4820, 5595, 5784, 5968, 7230, 7460, 8952, 9640, 11190, 11568, 14460, 14920, 17904, 19280, 22380, 28920, 29840, 44760, 57840, 89520, 89893, 179786, 269679, 359572, 449465, 539358, 719144, 898930, 1078716, 1348395, 1438288, 1797860, 2157432, 2696790, 3595720, 4314864, 5393580, 7191440, 10787160, 21574320]

約数ペア:

[(1, 21574320), (2, 10787160), (3, 7191440), (4, 5393580), (5, 4314864), (6, 3595720), (8, 2696790), (10, 2157432), (12, 1797860), (15, 1438288), (16, 1348395), (20, 1078716), (24, 898930), (30, 719144), (40, 539358), (48, 449465), (60, 359572), (80, 269679), (120, 179786), (240, 89893), (241, 89520), (373, 57840), (482, 44760), (723, 29840), (746, 28920), (964, 22380), (1119, 19280), (1205, 17904), (1446, 14920), (1492, 14460), (1865, 11568), (1928, 11190), (2238, 9640), (2410, 8952), (2892, 7460), (2984, 7230), (3615, 5968), (3730, 5784), (3856, 5595), (4476, 4820)]