20719369800

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{188701}}^1$

素因数の和:188784

約数の個数: 144

約数和(自身を含む): 70723622580

約数和(自身を除く): 50004252780

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 61, 72, 75, 90, 100, 120, 122, 150, 180, 183, 200, 225, 244, 300, 305, 360, 366, 450, 488, 549, 600, 610, 732, 900, 915, 1098, 1220, 1464, 1525, 1800, 1830, 2196, 2440, 2745, 3050, 3660, 4392, 4575, 5490, 6100, 7320, 9150, 10980, 12200, 13725, 18300, 21960, 27450, 36600, 54900, 109800, 188701, 377402, 566103, 754804, 943505, 1132206, 1509608, 1698309, 1887010, 2264412, 2830515, 3396618, 3774020, 4528824, 4717525, 5661030, 6793236, 7548040, 8491545, 9435050, 11322060, 11510761, 13586472, 14152575, 16983090, 18870100, 22644120, 23021522, 28305150, 33966180, 34532283, 37740200, 42457725, 46043044, 56610300, 57553805, 67932360, 69064566, 84915450, 92086088, 103596849, 113220600, 115107610, 138129132, 169830900, 172661415, 207193698, 230215220, 276258264, 287769025, 339661800, 345322830, 414387396, 460430440, 517984245, 575538050, 690645660, 828774792, 863307075, 1035968490, 1151076100, 1381291320, 1726614150, 2071936980, 2302152200, 2589921225, 3453228300, 4143873960, 5179842450, 6906456600, 10359684900, 20719369800]

約数ペア:

[(1, 20719369800), (2, 10359684900), (3, 6906456600), (4, 5179842450), (5, 4143873960), (6, 3453228300), (8, 2589921225), (9, 2302152200), (10, 2071936980), (12, 1726614150), (15, 1381291320), (18, 1151076100), (20, 1035968490), (24, 863307075), (25, 828774792), (30, 690645660), (36, 575538050), (40, 517984245), (45, 460430440), (50, 414387396), (60, 345322830), (61, 339661800), (72, 287769025), (75, 276258264), (90, 230215220), (100, 207193698), (120, 172661415), (122, 169830900), (150, 138129132), (180, 115107610), (183, 113220600), (200, 103596849), (225, 92086088), (244, 84915450), (300, 69064566), (305, 67932360), (360, 57553805), (366, 56610300), (450, 46043044), (488, 42457725), (549, 37740200), (600, 34532283), (610, 33966180), (732, 28305150), (900, 23021522), (915, 22644120), (1098, 18870100), (1220, 16983090), (1464, 14152575), (1525, 13586472), (1800, 11510761), (1830, 11322060), (2196, 9435050), (2440, 8491545), (2745, 7548040), (3050, 6793236), (3660, 5661030), (4392, 4717525), (4575, 4528824), (5490, 3774020), (6100, 3396618), (7320, 2830515), (9150, 2264412), (10980, 1887010), (12200, 1698309), (13725, 1509608), (18300, 1132206), (21960, 943505), (27450, 754804), (36600, 566103), (54900, 377402), (109800, 188701)]