20129829600

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{661}}^1\times {\mathrm{12689}}^1$

素因数の和:13373

約数の個数: 144

約数和(自身を含む): 65626893360

約数和(自身を除く): 45497063760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 75, 80, 96, 100, 120, 150, 160, 200, 240, 300, 400, 480, 600, 661, 800, 1200, 1322, 1983, 2400, 2644, 3305, 3966, 5288, 6610, 7932, 9915, 10576, 12689, 13220, 15864, 16525, 19830, 21152, 25378, 26440, 31728, 33050, 38067, 39660, 49575, 50756, 52880, 63445, 63456, 66100, 76134, 79320, 99150, 101512, 105760, 126890, 132200, 152268, 158640, 190335, 198300, 203024, 253780, 264400, 304536, 317225, 317280, 380670, 396600, 406048, 507560, 528800, 609072, 634450, 761340, 793200, 951675, 1015120, 1218144, 1268900, 1522680, 1586400, 1903350, 2030240, 2537800, 3045360, 3806700, 5075600, 6090720, 7613400, 8387429, 10151200, 15226800, 16774858, 25162287, 30453600, 33549716, 41937145, 50324574, 67099432, 83874290, 100649148, 125811435, 134198864, 167748580, 201298296, 209685725, 251622870, 268397728, 335497160, 402596592, 419371450, 503245740, 629057175, 670994320, 805193184, 838742900, 1006491480, 1258114350, 1341988640, 1677485800, 2012982960, 2516228700, 3354971600, 4025965920, 5032457400, 6709943200, 10064914800, 20129829600]

約数ペア:

[(1, 20129829600), (2, 10064914800), (3, 6709943200), (4, 5032457400), (5, 4025965920), (6, 3354971600), (8, 2516228700), (10, 2012982960), (12, 1677485800), (15, 1341988640), (16, 1258114350), (20, 1006491480), (24, 838742900), (25, 805193184), (30, 670994320), (32, 629057175), (40, 503245740), (48, 419371450), (50, 402596592), (60, 335497160), (75, 268397728), (80, 251622870), (96, 209685725), (100, 201298296), (120, 167748580), (150, 134198864), (160, 125811435), (200, 100649148), (240, 83874290), (300, 67099432), (400, 50324574), (480, 41937145), (600, 33549716), (661, 30453600), (800, 25162287), (1200, 16774858), (1322, 15226800), (1983, 10151200), (2400, 8387429), (2644, 7613400), (3305, 6090720), (3966, 5075600), (5288, 3806700), (6610, 3045360), (7932, 2537800), (9915, 2030240), (10576, 1903350), (12689, 1586400), (13220, 1522680), (15864, 1268900), (16525, 1218144), (19830, 1015120), (21152, 951675), (25378, 793200), (26440, 761340), (31728, 634450), (33050, 609072), (38067, 528800), (39660, 507560), (49575, 406048), (50756, 396600), (52880, 380670), (63445, 317280), (63456, 317225), (66100, 304536), (76134, 264400), (79320, 253780), (99150, 203024), (101512, 198300), (105760, 190335), (126890, 158640), (132200, 152268)]