1718351640

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{251221}}^1$

素因数の和:251257

約数の個数: 96

約数和(自身を含む): 5878594800

約数和(自身を除く): 4160243160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 90, 95, 114, 120, 152, 171, 180, 190, 228, 285, 342, 360, 380, 456, 570, 684, 760, 855, 1140, 1368, 1710, 2280, 3420, 6840, 251221, 502442, 753663, 1004884, 1256105, 1507326, 2009768, 2260989, 2512210, 3014652, 3768315, 4521978, 4773199, 5024420, 6029304, 7536630, 9043956, 9546398, 10048840, 11304945, 14319597, 15073260, 18087912, 19092796, 22609890, 23865995, 28639194, 30146520, 38185592, 42958791, 45219780, 47731990, 57278388, 71597985, 85917582, 90439560, 95463980, 114556776, 143195970, 171835164, 190927960, 214793955, 286391940, 343670328, 429587910, 572783880, 859175820, 1718351640]

約数ペア:

[(1, 1718351640), (2, 859175820), (3, 572783880), (4, 429587910), (5, 343670328), (6, 286391940), (8, 214793955), (9, 190927960), (10, 171835164), (12, 143195970), (15, 114556776), (18, 95463980), (19, 90439560), (20, 85917582), (24, 71597985), (30, 57278388), (36, 47731990), (38, 45219780), (40, 42958791), (45, 38185592), (57, 30146520), (60, 28639194), (72, 23865995), (76, 22609890), (90, 19092796), (95, 18087912), (114, 15073260), (120, 14319597), (152, 11304945), (171, 10048840), (180, 9546398), (190, 9043956), (228, 7536630), (285, 6029304), (342, 5024420), (360, 4773199), (380, 4521978), (456, 3768315), (570, 3014652), (684, 2512210), (760, 2260989), (855, 2009768), (1140, 1507326), (1368, 1256105), (1710, 1004884), (2280, 753663), (3420, 502442), (6840, 251221)]