20285721000

素因数分解:

$2^3\times 3^4\times 5^3\times {\mathrm{250441}}^1$

素因数の和:250474

約数の個数: 160

約数和(自身を含む): 70910147880

約数和(自身を除く): 50624426880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 27, 30, 36, 40, 45, 50, 54, 60, 72, 75, 81, 90, 100, 108, 120, 125, 135, 150, 162, 180, 200, 216, 225, 250, 270, 300, 324, 360, 375, 405, 450, 500, 540, 600, 648, 675, 750, 810, 900, 1000, 1080, 1125, 1350, 1500, 1620, 1800, 2025, 2250, 2700, 3000, 3240, 3375, 4050, 4500, 5400, 6750, 8100, 9000, 10125, 13500, 16200, 20250, 27000, 40500, 81000, 250441, 500882, 751323, 1001764, 1252205, 1502646, 2003528, 2253969, 2504410, 3005292, 3756615, 4507938, 5008820, 6010584, 6261025, 6761907, 7513230, 9015876, 10017640, 11269845, 12522050, 13523814, 15026460, 18031752, 18783075, 20285721, 22539690, 25044100, 27047628, 30052920, 31305125, 33809535, 37566150, 40571442, 45079380, 50088200, 54095256, 56349225, 62610250, 67619070, 75132300, 81142884, 90158760, 93915375, 101428605, 112698450, 125220500, 135238140, 150264600, 162285768, 169047675, 187830750, 202857210, 225396900, 250441000, 270476280, 281746125, 338095350, 375661500, 405714420, 450793800, 507143025, 563492250, 676190700, 751323000, 811428840, 845238375, 1014286050, 1126984500, 1352381400, 1690476750, 2028572100, 2253969000, 2535715125, 3380953500, 4057144200, 5071430250, 6761907000, 10142860500, 20285721000]

約数ペア:

[(1, 20285721000), (2, 10142860500), (3, 6761907000), (4, 5071430250), (5, 4057144200), (6, 3380953500), (8, 2535715125), (9, 2253969000), (10, 2028572100), (12, 1690476750), (15, 1352381400), (18, 1126984500), (20, 1014286050), (24, 845238375), (25, 811428840), (27, 751323000), (30, 676190700), (36, 563492250), (40, 507143025), (45, 450793800), (50, 405714420), (54, 375661500), (60, 338095350), (72, 281746125), (75, 270476280), (81, 250441000), (90, 225396900), (100, 202857210), (108, 187830750), (120, 169047675), (125, 162285768), (135, 150264600), (150, 135238140), (162, 125220500), (180, 112698450), (200, 101428605), (216, 93915375), (225, 90158760), (250, 81142884), (270, 75132300), (300, 67619070), (324, 62610250), (360, 56349225), (375, 54095256), (405, 50088200), (450, 45079380), (500, 40571442), (540, 37566150), (600, 33809535), (648, 31305125), (675, 30052920), (750, 27047628), (810, 25044100), (900, 22539690), (1000, 20285721), (1080, 18783075), (1125, 18031752), (1350, 15026460), (1500, 13523814), (1620, 12522050), (1800, 11269845), (2025, 10017640), (2250, 9015876), (2700, 7513230), (3000, 6761907), (3240, 6261025), (3375, 6010584), (4050, 5008820), (4500, 4507938), (5400, 3756615), (6750, 3005292), (8100, 2504410), (9000, 2253969), (10125, 2003528), (13500, 1502646), (16200, 1252205), (20250, 1001764), (27000, 751323), (40500, 500882), (81000, 250441)]