216227920

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{751}}^1$

素因数の和:884

約数の個数: 80

約数和(自身を含む): 520323840

約数和(自身を除く): 304095920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 61, 80, 118, 122, 236, 244, 295, 305, 472, 488, 590, 610, 751, 944, 976, 1180, 1220, 1502, 2360, 2440, 3004, 3599, 3755, 4720, 4880, 6008, 7198, 7510, 12016, 14396, 15020, 17995, 28792, 30040, 35990, 44309, 45811, 57584, 60080, 71980, 88618, 91622, 143960, 177236, 183244, 221545, 229055, 287920, 354472, 366488, 443090, 458110, 708944, 732976, 886180, 916220, 1772360, 1832440, 2702849, 3544720, 3664880, 5405698, 10811396, 13514245, 21622792, 27028490, 43245584, 54056980, 108113960, 216227920]

約数ペア:

[(1, 216227920), (2, 108113960), (4, 54056980), (5, 43245584), (8, 27028490), (10, 21622792), (16, 13514245), (20, 10811396), (40, 5405698), (59, 3664880), (61, 3544720), (80, 2702849), (118, 1832440), (122, 1772360), (236, 916220), (244, 886180), (295, 732976), (305, 708944), (472, 458110), (488, 443090), (590, 366488), (610, 354472), (751, 287920), (944, 229055), (976, 221545), (1180, 183244), (1220, 177236), (1502, 143960), (2360, 91622), (2440, 88618), (3004, 71980), (3599, 60080), (3755, 57584), (4720, 45811), (4880, 44309), (6008, 35990), (7198, 30040), (7510, 28792), (12016, 17995), (14396, 15020)]