28621350

素因数分解:

$2^1\times 3^4\times 5^2\times {\mathrm{37}}^1\times {\mathrm{191}}^1$

素因数の和:252

約数の個数: 120

約数和(自身を含む): 82101888

約数和(自身を除く): 53480538

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 37, 45, 50, 54, 74, 75, 81, 90, 111, 135, 150, 162, 185, 191, 222, 225, 270, 333, 370, 382, 405, 450, 555, 573, 666, 675, 810, 925, 955, 999, 1110, 1146, 1350, 1665, 1719, 1850, 1910, 1998, 2025, 2775, 2865, 2997, 3330, 3438, 4050, 4775, 4995, 5157, 5550, 5730, 5994, 7067, 8325, 8595, 9550, 9990, 10314, 14134, 14325, 14985, 15471, 16650, 17190, 21201, 24975, 25785, 28650, 29970, 30942, 35335, 42402, 42975, 49950, 51570, 63603, 70670, 74925, 77355, 85950, 106005, 127206, 128925, 149850, 154710, 176675, 190809, 212010, 257850, 318015, 353350, 381618, 386775, 530025, 572427, 636030, 773550, 954045, 1060050, 1144854, 1590075, 1908090, 2862135, 3180150, 4770225, 5724270, 9540450, 14310675, 28621350]

約数ペア:

[(1, 28621350), (2, 14310675), (3, 9540450), (5, 5724270), (6, 4770225), (9, 3180150), (10, 2862135), (15, 1908090), (18, 1590075), (25, 1144854), (27, 1060050), (30, 954045), (37, 773550), (45, 636030), (50, 572427), (54, 530025), (74, 386775), (75, 381618), (81, 353350), (90, 318015), (111, 257850), (135, 212010), (150, 190809), (162, 176675), (185, 154710), (191, 149850), (222, 128925), (225, 127206), (270, 106005), (333, 85950), (370, 77355), (382, 74925), (405, 70670), (450, 63603), (555, 51570), (573, 49950), (666, 42975), (675, 42402), (810, 35335), (925, 30942), (955, 29970), (999, 28650), (1110, 25785), (1146, 24975), (1350, 21201), (1665, 17190), (1719, 16650), (1850, 15471), (1910, 14985), (1998, 14325), (2025, 14134), (2775, 10314), (2865, 9990), (2997, 9550), (3330, 8595), (3438, 8325), (4050, 7067), (4775, 5994), (4995, 5730), (5157, 5550)]