18731250

素因数分解:

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

素因数の和:76

約数の個数: 120

約数和(自身を含む): 53879364

約数和(自身を除く): 35148114

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 37, 45, 50, 54, 74, 75, 81, 90, 111, 125, 135, 150, 162, 185, 222, 225, 250, 270, 333, 370, 375, 405, 450, 555, 625, 666, 675, 750, 810, 925, 999, 1110, 1125, 1250, 1350, 1665, 1850, 1875, 1998, 2025, 2250, 2775, 2997, 3125, 3330, 3375, 3750, 4050, 4625, 4995, 5550, 5625, 5994, 6250, 6750, 8325, 9250, 9375, 9990, 10125, 11250, 13875, 14985, 16650, 16875, 18750, 20250, 23125, 24975, 27750, 28125, 29970, 33750, 41625, 46250, 49950, 50625, 56250, 69375, 74925, 83250, 84375, 101250, 115625, 124875, 138750, 149850, 168750, 208125, 231250, 249750, 253125, 346875, 374625, 416250, 506250, 624375, 693750, 749250, 1040625, 1248750, 1873125, 2081250, 3121875, 3746250, 6243750, 9365625, 18731250]

約数ペア:

[(1, 18731250), (2, 9365625), (3, 6243750), (5, 3746250), (6, 3121875), (9, 2081250), (10, 1873125), (15, 1248750), (18, 1040625), (25, 749250), (27, 693750), (30, 624375), (37, 506250), (45, 416250), (50, 374625), (54, 346875), (74, 253125), (75, 249750), (81, 231250), (90, 208125), (111, 168750), (125, 149850), (135, 138750), (150, 124875), (162, 115625), (185, 101250), (222, 84375), (225, 83250), (250, 74925), (270, 69375), (333, 56250), (370, 50625), (375, 49950), (405, 46250), (450, 41625), (555, 33750), (625, 29970), (666, 28125), (675, 27750), (750, 24975), (810, 23125), (925, 20250), (999, 18750), (1110, 16875), (1125, 16650), (1250, 14985), (1350, 13875), (1665, 11250), (1850, 10125), (1875, 9990), (1998, 9375), (2025, 9250), (2250, 8325), (2775, 6750), (2997, 6250), (3125, 5994), (3330, 5625), (3375, 5550), (3750, 4995), (4050, 4625)]