221433750

素因数分解:

$2^1\times 3^{11}\times 5^4$

素因数の和:55

約数の個数: 120

約数和(自身を含む): 622581960

約数和(自身を除く): 401148210

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 75, 81, 90, 125, 135, 150, 162, 225, 243, 250, 270, 375, 405, 450, 486, 625, 675, 729, 750, 810, 1125, 1215, 1250, 1350, 1458, 1875, 2025, 2187, 2250, 2430, 3375, 3645, 3750, 4050, 4374, 5625, 6075, 6561, 6750, 7290, 10125, 10935, 11250, 12150, 13122, 16875, 18225, 19683, 20250, 21870, 30375, 32805, 33750, 36450, 39366, 50625, 54675, 59049, 60750, 65610, 91125, 98415, 101250, 109350, 118098, 151875, 164025, 177147, 182250, 196830, 273375, 295245, 303750, 328050, 354294, 455625, 492075, 546750, 590490, 820125, 885735, 911250, 984150, 1366875, 1476225, 1640250, 1771470, 2460375, 2733750, 2952450, 4100625, 4428675, 4920750, 7381125, 8201250, 8857350, 12301875, 14762250, 22143375, 24603750, 36905625, 44286750, 73811250, 110716875, 221433750]

約数ペア:

[(1, 221433750), (2, 110716875), (3, 73811250), (5, 44286750), (6, 36905625), (9, 24603750), (10, 22143375), (15, 14762250), (18, 12301875), (25, 8857350), (27, 8201250), (30, 7381125), (45, 4920750), (50, 4428675), (54, 4100625), (75, 2952450), (81, 2733750), (90, 2460375), (125, 1771470), (135, 1640250), (150, 1476225), (162, 1366875), (225, 984150), (243, 911250), (250, 885735), (270, 820125), (375, 590490), (405, 546750), (450, 492075), (486, 455625), (625, 354294), (675, 328050), (729, 303750), (750, 295245), (810, 273375), (1125, 196830), (1215, 182250), (1250, 177147), (1350, 164025), (1458, 151875), (1875, 118098), (2025, 109350), (2187, 101250), (2250, 98415), (2430, 91125), (3375, 65610), (3645, 60750), (3750, 59049), (4050, 54675), (4374, 50625), (5625, 39366), (6075, 36450), (6561, 33750), (6750, 32805), (7290, 30375), (10125, 21870), (10935, 20250), (11250, 19683), (12150, 18225), (13122, 16875)]