28277520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{1997}}^1$

素因数の和:2072

約数の個数: 80

約数和(自身を含む): 89190720

約数和(自身を除く): 60913200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 59, 60, 80, 118, 120, 177, 236, 240, 295, 354, 472, 590, 708, 885, 944, 1180, 1416, 1770, 1997, 2360, 2832, 3540, 3994, 4720, 5991, 7080, 7988, 9985, 11982, 14160, 15976, 19970, 23964, 29955, 31952, 39940, 47928, 59910, 79880, 95856, 117823, 119820, 159760, 235646, 239640, 353469, 471292, 479280, 589115, 706938, 942584, 1178230, 1413876, 1767345, 1885168, 2356460, 2827752, 3534690, 4712920, 5655504, 7069380, 9425840, 14138760, 28277520]

約数ペア:

[(1, 28277520), (2, 14138760), (3, 9425840), (4, 7069380), (5, 5655504), (6, 4712920), (8, 3534690), (10, 2827752), (12, 2356460), (15, 1885168), (16, 1767345), (20, 1413876), (24, 1178230), (30, 942584), (40, 706938), (48, 589115), (59, 479280), (60, 471292), (80, 353469), (118, 239640), (120, 235646), (177, 159760), (236, 119820), (240, 117823), (295, 95856), (354, 79880), (472, 59910), (590, 47928), (708, 39940), (885, 31952), (944, 29955), (1180, 23964), (1416, 19970), (1770, 15976), (1997, 14160), (2360, 11982), (2832, 9985), (3540, 7988), (3994, 7080), (4720, 5991)]