80019900

素因数分解:

$2^2\times 3^5\times 5^2\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:155

約数の個数: 216

約数和(自身を含む): 270138960

約数和(自身を除く): 190119060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 37, 45, 50, 54, 60, 74, 75, 81, 89, 90, 100, 108, 111, 135, 148, 150, 162, 178, 180, 185, 222, 225, 243, 267, 270, 300, 324, 333, 356, 370, 405, 444, 445, 450, 486, 534, 540, 555, 666, 675, 740, 801, 810, 890, 900, 925, 972, 999, 1068, 1110, 1215, 1332, 1335, 1350, 1602, 1620, 1665, 1780, 1850, 1998, 2025, 2220, 2225, 2403, 2430, 2670, 2700, 2775, 2997, 3204, 3293, 3330, 3700, 3996, 4005, 4050, 4450, 4806, 4860, 4995, 5340, 5550, 5994, 6075, 6586, 6660, 6675, 7209, 8010, 8100, 8325, 8900, 8991, 9612, 9879, 9990, 11100, 11988, 12015, 12150, 13172, 13350, 14418, 14985, 16020, 16465, 16650, 17982, 19758, 19980, 20025, 21627, 24030, 24300, 24975, 26700, 28836, 29637, 29970, 32930, 33300, 35964, 36045, 39516, 40050, 43254, 44955, 48060, 49395, 49950, 59274, 59940, 60075, 65860, 72090, 74925, 80100, 82325, 86508, 88911, 89910, 98790, 99900, 108135, 118548, 120150, 144180, 148185, 149850, 164650, 177822, 179820, 180225, 197580, 216270, 224775, 240300, 246975, 266733, 296370, 299700, 329300, 355644, 360450, 432540, 444555, 449550, 493950, 533466, 540675, 592740, 720900, 740925, 800199, 889110, 899100, 987900, 1066932, 1081350, 1333665, 1481850, 1600398, 1778220, 2162700, 2222775, 2667330, 2963700, 3200796, 4000995, 4445550, 5334660, 6668325, 8001990, 8891100, 13336650, 16003980, 20004975, 26673300, 40009950, 80019900]

約数ペア:

[(1, 80019900), (2, 40009950), (3, 26673300), (4, 20004975), (5, 16003980), (6, 13336650), (9, 8891100), (10, 8001990), (12, 6668325), (15, 5334660), (18, 4445550), (20, 4000995), (25, 3200796), (27, 2963700), (30, 2667330), (36, 2222775), (37, 2162700), (45, 1778220), (50, 1600398), (54, 1481850), (60, 1333665), (74, 1081350), (75, 1066932), (81, 987900), (89, 899100), (90, 889110), (100, 800199), (108, 740925), (111, 720900), (135, 592740), (148, 540675), (150, 533466), (162, 493950), (178, 449550), (180, 444555), (185, 432540), (222, 360450), (225, 355644), (243, 329300), (267, 299700), (270, 296370), (300, 266733), (324, 246975), (333, 240300), (356, 224775), (370, 216270), (405, 197580), (444, 180225), (445, 179820), (450, 177822), (486, 164650), (534, 149850), (540, 148185), (555, 144180), (666, 120150), (675, 118548), (740, 108135), (801, 99900), (810, 98790), (890, 89910), (900, 88911), (925, 86508), (972, 82325), (999, 80100), (1068, 74925), (1110, 72090), (1215, 65860), (1332, 60075), (1335, 59940), (1350, 59274), (1602, 49950), (1620, 49395), (1665, 48060), (1780, 44955), (1850, 43254), (1998, 40050), (2025, 39516), (2220, 36045), (2225, 35964), (2403, 33300), (2430, 32930), (2670, 29970), (2700, 29637), (2775, 28836), (2997, 26700), (3204, 24975), (3293, 24300), (3330, 24030), (3700, 21627), (3996, 20025), (4005, 19980), (4050, 19758), (4450, 17982), (4806, 16650), (4860, 16465), (4995, 16020), (5340, 14985), (5550, 14418), (5994, 13350), (6075, 13172), (6586, 12150), (6660, 12015), (6675, 11988), (7209, 11100), (8010, 9990), (8100, 9879), (8325, 9612), (8900, 8991)]